CVE-2025-11091 Tenda AC21 SetStaticRouteCfg sscanf buffer overflow

A security flaw has been discovered in Tenda AC21 up to 16.03.08.16. Affected by this vulnerability is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has been released to...

CVE-2025-11091

Summary: CVE-2025-11091 affects Tenda AC21 routers (firmware up to 16.03.08.16). The vulnerability is in the sscanf-based processing of /goform/SetStaticRouteCfg, where incorrect manipulation of the argument list leads to a buffer overflow. The issue can be exploited remotely and, according to th...