CVE-2025-14656: A weakness has been identified in Tenda AC20 16.03.08.12. This affects the function httpd of the file…
CVE-2025-14656 · Severity: high · CVSS 8.8 · Published 2025-12-14
A weakness has been identified in Tenda AC20 16.03.08.12. This affects the function httpd of the file /goform/openSchedWifi. Executing a manipulation of the argument schedStartTime/schedEndTime can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
No. Junglewise Threat Intelligence has no report of CVE-2025-14656 being exploited in the wild.
How severe is CVE-2025-14656?
High severity, with a CVSS score of 8.8, published 14 December 2025.
Which products and versions are affected?
Tenda Ac20, Tenda Ac20 Firmware. The advisory does not name versions.
Is there a fix for CVE-2025-14656?
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-2025-14656?
Check whether you run Tenda Ac20 or Tenda Ac20 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.