Critical Injection exploit reference

CVE-2025-55423 — Code Injection in Iptime A1 Firmware

A command injection vulnerability exists in the upnp_relay() function in multiple ipTIME router models because the controlURL value used to pass port-forwarding information to an upper router is passed to system() without proper validation or sanitization, allowing OS command injection.

Published Jan 20, 2026 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: mitre

Moderate

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.

How the score was calculated

EPSS 3.8% (30-day exploitation probability)+13
Technical severity (critical)+10
Automatable exploitation (SSVC)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation

Not confirmed

Not in CISA KEV — an absence of record, not proof it is unexploited.

EPSS FIRST

3.82%

ahead of 90% of scored CVEs · Oct 14, 2026

Affects

Iptime

A1 Firmware and 162 more

CVSS base

9.8

Critical · 2 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation

None

none · proof-of-concept · active

Automatable

Yes

can an attacker script the kill-chain steps

Technical impact

Total

partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

Identify exposed assets running the affected vendor/product/version combinations (Iptime A1 Firmware, Iptime A1004 Firmware, Iptime A1004ns Firmware…).
The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
No fix documented in the sources: reduce exposure and monitor the vendor advisory.
Search available logs for exploit probes matching the vulnerability class (injection), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
Iptime	A1 Firmware	≥ 9.96.8 and ≤ 10.07.4	Vulnerable	NIST National Vulnerability Database
Iptime	A1004 Firmware	≥ 9.90.8 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	A1004ns Firmware	≥ 9.96.0 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	A1004v Firmware	≥ 9.90.8 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	A104 Firmware	≥ 9.90.8 and ≤ 10.03.8	Vulnerable	NIST National Vulnerability Database
Iptime	A104ns Firmware	≥ 9.96.0 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	A104r Firmware	≥ 9.90.8 and ≤ 10.07.4versions not specified by the source	Vulnerable	NIST National Vulnerability Database
Iptime	A2003mu Firmware	≥ 12.13.0 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	A2003ns-mu Firmware	≥ 10.00.6 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	A2004 Firmware	≥ 9.90.8 and ≤ 10.07.4	Vulnerable	NIST National Vulnerability Database
Iptime	A2004mu Firmware	≥ 10.08.6 and ≤ 12.17.0	Vulnerable	NIST National Vulnerability Database
Iptime	A2004ns Firmware	≥ 9.90.8 and ≤ 11.00.4	Vulnerable	NIST National Vulnerability Database
Iptime	A2004ns-mu Firmware	≥ 10.08.6 and ≤ 12.17.0	Vulnerable	NIST National Vulnerability Database
Iptime	A2004ns-r Firmware	≥ 9.90.8 and ≤ 11.00.4	Vulnerable	NIST National Vulnerability Database
Iptime	A2004nsplus Firmware	≥ 9.90.8 and ≤ 11.00.4	Vulnerable	NIST National Vulnerability Database
Iptime	A2004plus Firmware	≥ 9.90.8 and ≤ 10.07.4	Vulnerable	NIST National Vulnerability Database
Iptime	A2004r Firmware	≥ 9.90.8 and ≤ 10.07.4	Vulnerable	NIST National Vulnerability Database
Iptime	A2004se Firmware	≥ 14.16.6 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A2008 Firmware	≥ 9.90.8 and ≤ 10.07.4	Vulnerable	NIST National Vulnerability Database
Iptime	A3 Firmware	≥ 9.97.2 and ≤ 10.07.2	Vulnerable	NIST National Vulnerability Database
Iptime	A3002mesh Firmware	≥ 12.05.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A3003ns Firmware	≥ 9.99.8 and ≤ 11.00.4	Vulnerable	NIST National Vulnerability Database
Iptime	A3004 Firmware	≥ 9.90.8 and ≤ 10.08.2	Vulnerable	NIST National Vulnerability Database
Iptime	A3004-dual Firmware	≥ 9.90.4 and ≤ 10.07.2	Vulnerable	NIST National Vulnerability Database
Iptime	A3004m Firmware	≥ 14.18.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A3004ns Firmware	≥ 9.90.2 and ≤ 10.09.4	Vulnerable	NIST National Vulnerability Database
Iptime	A3004ns-bcm Firmware	≥ 9.95.8 and ≤ 11.00.4	Vulnerable	NIST National Vulnerability Database
Iptime	A3004ns-dual Firmware	≥ 9.90.4 and ≤ 12.09.4	Vulnerable	NIST National Vulnerability Database
Iptime	A3004ns-m Firmware	≥ 10.05.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A3004t Firmware	≥ 12.10.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A3004tw Firmware	≥ 14.15.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A3008-mu Firmware	≥ 10.08.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A304 Firmware	≥ 10.05.4 and ≤ 10.07.4	Vulnerable	NIST National Vulnerability Database
Iptime	A5004ns Firmware	≥ 9.90.2 and ≤ 11.00.4	Vulnerable	NIST National Vulnerability Database
Iptime	A5004ns-m Firmware	≥ 10.05.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A6004mx Firmware	≥ 12.04.6 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A6004ns Firmware	≥ 9.90.2 and ≤ 11.00.4	Vulnerable	NIST National Vulnerability Database
Iptime	A6004ns-m Firmware	≥ 9.99.8 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A604 Firmware	≥ 9.90.8 and ≤ 12.06.6	Vulnerable	NIST National Vulnerability Database
Iptime	A604-v3 Firmware	≥ 10.01.6 and ≤ 10.07.2	Vulnerable	NIST National Vulnerability Database
Iptime	A604-v5 Firmware	≥ 10.09.2 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	A604g-mu Firmware	≥ 10.07.4 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	A604g-skylife Firmware	≥ 12.02.4 and ≤ 12.12.4	Vulnerable	NIST National Vulnerability Database
Iptime	A604m Firmware	≥ 10.06.4 and ≤ 10.07.2	Vulnerable	NIST National Vulnerability Database
Iptime	A604mu Firmware	≥ 12.12.4 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	A604r Firmware	≥ 10.09.2 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	A604se Firmware	≥ 14.17.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A604v Firmware	≥ 9.90.8 and ≤ 10.07.4	Vulnerable	NIST National Vulnerability Database
Iptime	A6ns-m Firmware	≥ 10.01.6 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A7004m Firmware	≥ 10.06.8 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A704ns-bcm Firmware	≥ 9.95.8 and ≤ 11.00.4	Vulnerable	NIST National Vulnerability Database
Iptime	A7ns Firmware	≥ 9.96.0 and ≤ 11.00.4	Vulnerable	NIST National Vulnerability Database
Iptime	A8004bcm Firmware	≥ 11.99.1 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	A8004itl Firmware	≥ 11.00.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A8004ns-m Firmware	≥ 9.99.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A8004t Firmware	≥ 10.06.8 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A8004t-xr Firmware	≥ 11.97.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A804ns-mu Firmware	≥ 10.06.4 and ≤ 12.10.2	Vulnerable	NIST National Vulnerability Database
Iptime	A8ns-m Firmware	≥ 10.03.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A9004m Firmware	≥ 10.05.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	A9004m-x2 Firmware	≥ 11.98.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	Ax11000 Firmware	≥ 14.16.6 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	Ax2002mesh Firmware	≥ 14.16.6 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	Ax2004 Firmware	≥ 14.17.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	Ax2004bcm Firmware	≥ 12.04.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	Ax2004m Firmware	≥ 14.02.0 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	Ax3004bcm Firmware	≥ 14.16.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	Ax3004itl Firmware	≥ 12.01.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	Ax8004bcm Firmware	≥ 11.97.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	Ax8004m Firmware	≥ 14.05.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	Ax8008m Firmware	≥ 14.15.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	Ew302n Firmware	≥ 9.90.8 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N102e Firmware	≥ 11.00.8 and ≤ 12.15.2	Vulnerable	NIST National Vulnerability Database
Iptime	N102eplus Firmware	≥ 12.14.2 and ≤ 12.15.2	Vulnerable	NIST National Vulnerability Database
Iptime	N102i Firmware	≥ 11.01.2 and ≤ 12.15.2	Vulnerable	NIST National Vulnerability Database
Iptime	N102iplus Firmware	≥ 12.14.2 and ≤ 12.15.2	Vulnerable	NIST National Vulnerability Database
Iptime	N104 Black Firmware	≥ 9.93.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N104e Firmware	≥ 10.09.4 and ≤ 12.15.2	Vulnerable	NIST National Vulnerability Database
Iptime	N104eplus Firmware	≥ 12.14.2 and ≤ 12.15.2	Vulnerable	NIST National Vulnerability Database
Iptime	N104k Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N104plus Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N104plus-i Firmware	≥ 9.99.6 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N104q Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N104q-i Firmware	≥ 9.99.6 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N104r Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N104s-r1 Firmware	≥ 9.90.8 and ≤ 10.02.2	Vulnerable	NIST National Vulnerability Database
Iptime	N104v Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N1e Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N1plus Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N1plus-i Firmware	≥ 9.99.6 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N1v Firmware	≥ 11.01.2 and ≤ 12.07.6	Vulnerable	NIST National Vulnerability Database
Iptime	N2e Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N2eplus Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N2plus Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N2plus-i Firmware	≥ 9.99.6 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N2v Firmware	≥ 10.09.2 and ≤ 12.16.8	Vulnerable	NIST National Vulnerability Database
Iptime	N2vs Firmware	version 12.16.8	Vulnerable	NIST National Vulnerability Database
Iptime	N3 Firmware	≥ 9.93.2 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N3-i Firmware	≥ 9.99.6 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N5 Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N5-i Firmware	≥ 9.99.6 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N6 Firmware	≥ 9.96.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N600 Firmware	≥ 10.00.8 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N6004r Firmware	≥ 9.90.8 and ≤ 10.02.2	Vulnerable	NIST National Vulnerability Database
Iptime	N602e Firmware	≥ 11.96.6 and ≤ 12.16.8	Vulnerable	NIST National Vulnerability Database
Iptime	N602eplus Firmware	≥ 12.14.2 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N602se Firmware	≥ 14.19.0 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	N604 Black Firmware	≥ 9.93.8 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N604a Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N604e Firmware	≥ 10.09.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	N604eplus Firmware	≥ 12.14.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	N604plus Firmware	≥ 9.90.8 and ≤ 12.15.2	Vulnerable	NIST National Vulnerability Database
Iptime	N604plus-i Firmware	≥ 9.99.6 and ≤ 12.14.6	Vulnerable	NIST National Vulnerability Database
Iptime	N604r Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N604rplus Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N604rplus-i Firmware	≥ 9.99.6 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N604s Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N604se Firmware	≥ 14.18.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	N604t Firmware	≥ 9.90.8 and ≤ 10.03.2	Vulnerable	NIST National Vulnerability Database
Iptime	N604tplus Firmware	≥ 9.90.8 and ≤ 10.03.2	Vulnerable	NIST National Vulnerability Database
Iptime	N604v Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N604vplus Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N7004ns Firmware	version 9.91.2	Vulnerable	NIST National Vulnerability Database
Iptime	N702bcm Firmware	≥ 9.90.8 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N702e Firmware	≥ 10.09.2 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N702eplus Firmware	≥ 12.12.4 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N702r Firmware	≥ 10.05.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N704-a3 Firmware	≥ 9.90.8 and ≤ 10.06.8	Vulnerable	NIST National Vulnerability Database
Iptime	N704bcm Firmware	≥ 9.90.8 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N704e Firmware	≥ 11.98.4 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N704eplus Firmware	≥ 12.14.2 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N704ns Firmware	≥ 9.91.4 and ≤ 9.96.0	Vulnerable	NIST National Vulnerability Database
Iptime	N704qca Firmware	≥ 10.02.4 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N704v3 Firmware	≥ 9.90.8 and ≤ 12.10.2	Vulnerable	NIST National Vulnerability Database
Iptime	N8004r Firmware	≥ 9.90.8 and ≤ 10.02.2	Vulnerable	NIST National Vulnerability Database
Iptime	N8004v Firmware	≥ 9.90.8 and ≤ 10.02.2	Vulnerable	NIST National Vulnerability Database
Iptime	N804 Firmware	≥ 9.91.2 and ≤ 9.96.8	Vulnerable	NIST National Vulnerability Database
Iptime	N804a Firmware	≥ 9.91.2 and ≤ 9.96.8	Vulnerable	NIST National Vulnerability Database
Iptime	N804a3 Firmware	≥ 9.90.8 and ≤ 9.96.8	Vulnerable	NIST National Vulnerability Database
Iptime	N804r Firmware	≥ 10.06.4 and ≤ 12.16.2	Vulnerable	NIST National Vulnerability Database
Iptime	N804t Firmware	≥ 9.91.2 and ≤ 9.96.8	Vulnerable	NIST National Vulnerability Database
Iptime	N804t3 Firmware	≥ 9.90.8 and ≤ 9.96.8	Vulnerable	NIST National Vulnerability Database
Iptime	N804v Firmware	≥ 9.91.2 and ≤ 9.96.8	Vulnerable	NIST National Vulnerability Database
Iptime	N904 Firmware	≥ 9.90.8 and ≤ 10.02.2	Vulnerable	NIST National Vulnerability Database
Iptime	N904ns Firmware	≥ 9.91.4 and ≤ 9.96.0	Vulnerable	NIST National Vulnerability Database
Iptime	N904plus Firmware	≥ 9.90.8 and ≤ 10.02.2	Vulnerable	NIST National Vulnerability Database
Iptime	N904v Firmware	≥ 9.90.8 and ≤ 10.02.2	Vulnerable	NIST National Vulnerability Database
Iptime	Q1 Firmware	version 9.91.2	Vulnerable	NIST National Vulnerability Database
Iptime	Q304 Firmware	version 9.91.2	Vulnerable	NIST National Vulnerability Database
Iptime	Q504 Firmware	version 9.91.2	Vulnerable	NIST National Vulnerability Database
Iptime	Q604 Firmware	version 9.91.2	Vulnerable	NIST National Vulnerability Database
Iptime	Smart Firmware	≥ 9.90.8 and ≤ 9.94.2	Vulnerable	NIST National Vulnerability Database
Iptime	T16000 Firmware	≥ 9.91.2 and ≤ 11.03.6	Vulnerable	NIST National Vulnerability Database
Iptime	T16000m Firmware	≥ 12.07.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	T24000 Firmware	≥ 9.91.2 and ≤ 11.03.6	Vulnerable	NIST National Vulnerability Database
Iptime	T24000m Firmware	≥ 12.07.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	T3004 Firmware	≥ 9.90.8 and ≤ 12.07.6	Vulnerable	NIST National Vulnerability Database
Iptime	T3008 Firmware	≥ 9.90.8 and ≤ 12.09.6	Vulnerable	NIST National Vulnerability Database
Iptime	T5004 Firmware	≥ 11.96.4 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	T5008 Firmware	≥ 11.98.2 and ≤ 14.19.4	Vulnerable	NIST National Vulnerability Database
Iptime	V304 Firmware	version 9.91.2	Vulnerable	NIST National Vulnerability Database
Iptime	V504 Firmware	≥ 9.90.8 and ≤ 12.15.2	Vulnerable	NIST National Vulnerability Database
Iptime	V508 Firmware	≥ 10.02.2 and ≤ 10.06.4	Vulnerable	NIST National Vulnerability Database

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Scored by
9.8	CVSS 3.1	Critical	3.9	5.9	134c704f-9b21-4f2e-91b3-4a467353bcc0 via NIST National Vulnerability Database
9.8	CVSS 3.1	Critical	—	—	CISA-ADP via CVE Program (cve.org) e CISA ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (score shown at the top: 134c704f-9b21-4f2e-91b3-4a467353bcc0)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-94 · Code Injection

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 3.82%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
Look for parameters with command/query metacharacters and unexpected child processes of the service.

web/proxy/WAF logsnetwork IDS/IPSapplication logsendpoint telemetry (EDR)

Timeline

What happened to this CVE, newest first.

2026
SSVC assessment updated
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
Record published
Oct 13, 2026
CVSS changed · 9.8
Oct 13, 2026 · NIST National Vulnerability Database
Source status changed · → Analyzed
Oct 13, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 13, 2026 · NIST National Vulnerability Database
CVE published
Jan 20, 2026 · mitre

Source activity

Repeated readings are counted rather than listed.

1× Official description updated · Oct 13, 2026 – Oct 13, 2026

References

4 on the record

iptime.com/iptime/
Vendor Advisory, NIST National Vulnerability Database
github.com/0x0xxxx/CVE/blob/main/CVE-2025-55423/README.md
Exploit, Third Party Advisory, NIST National Vulnerability Database
github.com/0x0xxxx/CVE/blob/main/CVE-2025-55423/assets/affected_products_cve_for
Third Party Advisory, NIST National Vulnerability Database
docs.google.com/spreadsheets/d/1kryOFltCmnPJvDTpIrudgryt79uI4PWchuQ8-Gak24c/edit
Third Party Advisory, NIST National Vulnerability Database

Elsewhere on this site

Iptime
every CVE for this vendor

Injection
same class

CWE-94
other pages naming this weakness

Related CVEs (same products)

High CVE-2026-24498 Exposure of Sensitive Information in Iptime T5008 Firmware Feb 26, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No fixed version, patch or mitigation documented.
No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2025-55423 is "Code Injection in Iptime A1 Firmware", rated Critical. It affects A1 Firmware (Iptime); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 9.8 describes technical severity. EPSS 3.82% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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