CVE-2026-19846 [HIGH] – A vulnerability was identified in TOTOLINK A800R 4.1.2cu.5137_B20200730. This impacts the

A vulnerability was identified in TOTOLINK A800R 4.1.2cu.5137_B20200730. This impacts the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. The manipulation of the argument url leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.