CVE-2025-11549: Tenda w12 Firmware

Critical severity, CVSS 9.8. EPSS: 8.5% chance of exploitation in the next 30 days.

A vulnerability has been found in Tenda W12 3.0.0.6(3948). The affected element is the function wifiMacFilterSet of the file /goform/modules of the component HTTP Request Handler. The manipulation of the argument mac leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda w12 Firmware: version 3.0.0.6(3948) only

Published 2025-10-09. Last modified 2026-10-08.