CVE Intelligence
Critical Injection exploit reference

CVE-2023-23080 — Certain Tenda products are vulnerable to command injection. This affects Tenda CP7 Tenda CP7<=V11...

Certain Tenda products are vulnerable to command injection. This affects Tenda CP7 Tenda CP7<=V11.10.00.2211041403 and Tenda CP3 v.10 Tenda CP3 v.10<=V20220906024_2025 and Tenda IT7-PCS Tenda IT7-PCS<=V2209020914 and Tenda IT7-LCS Tenda IT7-LCS<=V2209020914 and Tenda IT7-PRS Tenda IT7-PRS<=V2209020908.

Published Feb 27, 2023 · Updated Oct 24, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP, GitHub Security Advisories · CNA: mitre

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 2.5% (30-day exploitation probability)+13
  • Technical severity (critical)+10
  • CISA SSVC: exploitation "poc"+5
  • 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
2.46%
ahead of 84% of scored CVEs · Oct 24, 2026
Affects
Tenda
Cp3 Firmware and 4 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
Proof of concept
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.

  1. Identify exposed assets running the affected vendor/product/version combinations (Tenda Cp3 Firmware, Tenda Cp7 Firmware, Tenda It7-lcs Firmware…).
  2. The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
  3. No fix documented in the sources: reduce exposure and monitor the vendor advisory.
  4. 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.

VendorProductVersionsStatusSource
Tenda Cp3 Firmware ≤ 20220906024_2025 Vulnerable NIST National Vulnerability Database
Tenda Cp7 Firmware ≤ 1.10.00.2211041403 Vulnerable NIST National Vulnerability Database
Tenda It7-lcs Firmware ≤ 2209020914 Vulnerable NIST National Vulnerability Database
Tenda It7-pcs Firmware ≤ 2209020914 Vulnerable NIST National Vulnerability Database
Tenda It7-prs Firmware ≤ 2209020908 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.

ScoreVersionSeverityExpl.ImpactScored by
9.8 CVSS 3.1 Critical 3.9 5.9 nvd@nist.gov via NIST National Vulnerability Database
9.8 CVSS 3.1 Critical — — GitHub, Inc. via GitHub Security Advisories
CVSS:3.1/AV:N/AC:L/PR:N/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-77 · Command Injection

Other CVEs with this weakness →

EPSS over time FIRST

Oct 23, 2026 → Oct 24, 2026 · 2 reading(s) · max 2.46%

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 24, 2026 · CVE Program (cve.org) e CISA ADP
  • Record published
    Oct 24, 2026
  • Affected products added · tenda/it7-lcs firmware, tenda/it7-pcs firmware, tenda/it7-prs firmware, tenda/cp3 firmware, tenda/cp7 firmware
    Oct 24, 2026 · NIST National Vulnerability Database
  • CVSS changed · 9.8
    Oct 24, 2026 · NIST National Vulnerability Database
  • Source status changed · → Modified
    Oct 24, 2026 · NIST National Vulnerability Database
  • Record created in this database
    Oct 24, 2026 · Alertas do Telegram
  • 2023
  • CVE published
    Feb 27, 2023 · mitre

Source activity

Repeated readings are counted rather than listed.

  • 2× References added · Oct 24, 2026 – Oct 24, 2026
  • 1× Official description updated · Oct 24, 2026 – Oct 24, 2026

References

3 on the record

Elsewhere on this site

Tenda
every CVE for this vendor
Injection
same class
CWE-77
other pages naming this weakness

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-2023-23080 is "Certain Tenda products are vulnerable to command injection. This affects Tenda CP7 Tenda CP7<=V11...", rated Critical. It affects Cp3 Firmware (Tenda); 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 2.46% 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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