The vulnerability of the setIptvCfg() function in the /cgi-bin/cstecgi.cgi script of the TOTOLINK A3300R router’s microprogramming software allows a intruder to execute arbitrary commands.

The vulnerability of the setIptvCfg function in the /cgi-bin/cstecgi.cgi script of the TOTOLINK A3300R router’s microprogramming system is related to the failure to take measures to neutralize special elements during the processing of the vlanPriLan3 parameter. Exploiting this vulnerability allow...

CVE-2026-5178 Totolink A3300R cstecgi.cgi setIptvCfg command injection

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557b20221024. Affected by this issue is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument vlanPriLan3 leads to command injection. Remote exploitation of the attack is possible. The...