CVE-2026-2877: Tenda A18 Httpd Service WifiExtraSet strcpy stack-based overflow

A vulnerability has been found in Tenda A18 15.13.07.13. This affects the function strcpy of the file /goform/WifiExtraSet of the component Httpd Service. The manipulation of the argument wpapsk_crypto5g leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.