TOTOLINK A3600R cstecgi.cgi setPortForwardRules buffer overflow

A vulnerability classified as critical has been found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. This affects the function setPortForwardRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument comment leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-272601 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.