CVE-2025-13400: A vulnerability was detected in Tenda CH22 1.0.0.1. Affected is the function formWrlExtraGet of the file…
CVE-2025-13400 · Severity: high · CVSS 8.8 · Published 2025-11-19
A vulnerability was detected in Tenda CH22 1.0.0.1. Affected is the function formWrlExtraGet of the file /goform/WrlExtraGet. Performing a manipulation of the argument chkHz results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used.
No. Junglewise Threat Intelligence has no report of CVE-2025-13400 being exploited in the wild.
How severe is CVE-2025-13400?
High severity, with a CVSS score of 8.8, published 19 November 2025.
Which products and versions are affected?
Tenda CH22, Tenda Ch22 Firmware. The advisory does not name versions.
Is there a fix for CVE-2025-13400?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-13400?
Check whether you run Tenda CH22 or Tenda Ch22 Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.