CVE-2025-14655: A security flaw has been discovered in Tenda AC20 16.03.08.12. The impacted element is the function formSetRebootTimer…

CVE-2025-14655 · Severity: high · CVSS 8.8 · Published 2025-12-14

A security flaw has been discovered in Tenda AC20 16.03.08.12. The impacted element is the function formSetRebootTimer of the file /goform/SetSysAutoRebbotCfg of the component httpd. Performing a manipulation of the argument rebootTime results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

Technologies: Tenda Ac20, Tenda Ac20 Firmware. Vendors: Tenda.

Quick answers

Is CVE-2025-14655 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-14655 being exploited in the wild.
How severe is CVE-2025-14655?
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-2025-14655?
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-2025-14655?
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.

Affected products

  • Tenda Ac20
  • Tenda Ac20 Firmware

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