CVE-2023-39224 — Archer C5 firmware all versions and Archer C7 firmware versions prior to 'Archer

Archer C5 firmware all versions and Archer C7 firmware versions prior to 'Archer C7(JP)_V2_230602' allow a network-adjacent authenticated attacker to execute arbitrary OS commands. Note that Archer C5 is no longer supported, therefore the update for this product is not

01What is this vulnerability?

Archer C5 firmware all versions and Archer C7 firmware versions prior to 'Archer C7(JP)_V2_230602' allow a network-adjacent authenticated attacker to execute arbitrary OS commands. Note that Archer C5 is no longer supported, therefore the update for this product is not provided.

02Affected products

Vendor	Product	Versions
TP-LINK	Archer C5	firmware all versions
TP-LINK	Archer C7	firmware versions prior to 'Archer C7(JP)_V2_230602'

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-09-06T09:22:59.282Z
• Last modified: 2024-09-26T20:13:06.770Z

09References

• www.tp-link.com — https://www.tp-link.com/jp/support/download/archer-c7/v2/#Firmware
• jvn.jp — https://jvn.jp/en/vu/JVNVU99392903/