CVE-2026-19815 [HIGH] – A flaw has been found in TOTOLINK A800R 4.1.2cu.5137_B20200730. Affected by this vulnerabi

A flaw has been found in TOTOLINK A800R 4.1.2cu.5137_B20200730. Affected by this vulnerability is the function setParentalRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Executing a manipulation of the argument urlKeyword can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.