Tenda W12/i24 httpd modules cgidhcpsCfgSet stack-based overflow

A vulnerability classified as critical was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644). Affected by this vulnerability is the function cgidhcpsCfgSet of the file /goform/modules of the component httpd. The manipulation of the argument json leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.