A vulnerability, which was classified as critical, was found in Tenda AC7 up to 15.03.06.44. This affects the function formSetFirewallCfg of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow.

This vulnerability is uniquely identified as CVE-2025-1851. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.