Vulnerability Database

298,930

Total vulnerabilities in the database

CVE-2025-8939

A vulnerability was determined in Tenda AC20 up to 16.03.08.12. Affected is an unknown function of the file /goform/WifiGuestSet. The manipulation of the argument shareSpeed leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

  • Published: Aug 14, 2025
  • Updated: Aug 20, 2025
  • CVE: CVE-2025-8939
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWEs:

Software From Fixed in
tenda / ac20_firmware 16.03.08.0 16.03.08.12.x