High Injection

CVE-2026-30815 — OS Command Injection Vulnerability in OpenVPN Module in TP-Link AX53

An OS command injection vulnerability in the OpenVPN module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to execute system commands when a specially crafted configuration file is processed due to insufficient input validation. Successful exploitation may allow modification of configuration files, disclosure of sensitive information, or further compromise of device integrity. This issue affects AX53 v1.0: before 1.7.1 Build 20260213.

Published Apr 8, 2026 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: TPLink

Low

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 2.2% (30-day exploitation probability)+12
Technical severity (high)+6

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

2.18%

ahead of 82% of scored CVEs · Oct 14, 2026

Affects

TP-Link Systems Inc.

Archer Ax53 Firmware and 1 more

CVSS base

8.0

High · 3 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

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 (TP-Link Systems Inc. Archer Ax53 Firmware, TP-Link Systems Inc. AX53 v1.0).
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
TP-Link Systems Inc.	Archer Ax53 Firmware	< 1.7.1	Vulnerable	NIST National Vulnerability Database
TP-Link Systems Inc.	AX53 v1.0	< 1.7.1 Build 20260213	Vulnerable	CVE Program (cve.org) e CISA ADP

Attack characteristics

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

Attack vector

Adjacent

Attack complexity

Low

Privileges required

Low

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
8.5	CVSS 4.0	High	—	—	f23511db-6c3e-4e32-a477-6aa17d310630 via NIST National Vulnerability Database
8.5	CVSS 4.0	High	—	—	TPLink via CVE Program (cve.org) e CISA ADP
8.0	CVSS 3.1	High	2.1	5.9	nvd@nist.gov via NIST National Vulnerability Database

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (score shown at the top: nvd@nist.gov)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-78 · OS Command Injection

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 2.18%

Detection

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

Look for parameters with command/query metacharacters and unexpected child processes of the service.

application logsendpoint telemetry (EDR)

Timeline

What happened to this CVE, newest first.

2026
Affected products added · tp-link systems inc./ax53 v1.0
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
SSVC assessment updated
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
Record published
Oct 13, 2026
CVSS changed · 8.0
Oct 13, 2026 · NIST National Vulnerability Database
Source status changed · → Modified
Oct 13, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 13, 2026 · NIST National Vulnerability Database
CVE published
Apr 8, 2026 · TPLink

Source activity

Repeated readings are counted rather than listed.

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

References

8 on the record

www.tp-link.com/us/support/faq/5055/
Vendor Advisory, vendor-advisory, NIST National Vulnerability Database
www.tp-link.com/my/support/download/archer-ax53/v1/
Product, patch, NIST National Vulnerability Database
www.tp-link.com/en/support/download/archer-ax53/v1/
Product, patch, NIST National Vulnerability Database
talosintelligence.com/vulnerability_reports/
Third Party Advisory, third-party-advisory, NIST National Vulnerability Database
www.talosintelligence.com/vulnerability_reports/TALOS-2025-2309
NIST National Vulnerability Database
www.talosintelligence.com/vulnerability_reports/TALOS-2025-2303
NIST National Vulnerability Database
www.talosintelligence.com/vulnerability_reports/TALOS-2025-2307
NIST National Vulnerability Database
www.talosintelligence.com/vulnerability_reports/TALOS-2025-2308
NIST National Vulnerability Database

Elsewhere on this site

TP-Link Systems Inc.
every CVE for this vendor

Injection
same class

CWE-78
other pages naming this weakness

Related CVEs (same products)

High CVE-2026-30818 OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53 Apr 8, 2026
High CVE-2026-30814 Buffer Overflow Vulnerability in TP-Link AX53 Apr 8, 2026
Medium CVE-2026-30816 Arbitrary File Reading Vulnerability in OpenVPN Module in TP-Link AX53 Apr 8, 2026
Medium CVE-2026-30817 Arbitrary File Reading Vulnerability in dnsmasq Module in TP-Link AX53 Apr 8, 2026
Critical CVE-2025-15608 Buffer Overflow in Network Probe Handling Function of TP-Link Archer AX53 + Archer AX55 Mar 20, 2026
Critical CVE-2025-15607 Authenticated Command Injection in mcsd Service of TP-Link Archer AX53 Mar 20, 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-2026-30815 is "OS Command Injection Vulnerability in OpenVPN Module in TP-Link AX53", rated High. It affects Archer Ax53 Firmware (TP-Link Systems Inc.); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 8.0 describes technical severity. EPSS 2.18% 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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