CVE-2026-11405 Hidden backdoor authentication mechanism in multiple versions of Tenda firmware allows admin access to web management interface

The web server binary /bin/httpd contains a hidden backdoor authentication mechanism in the login function at 004c88b8. - The function contains a normal authentication path using MD5/hash-based password verification prodencode64/PasswordToMd5/checkrandkey. - After normal authentication fails, it...