CVE-2026-19813
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Aug 14, 2026
Vendor
unknown
Description
A security vulnerability has been detected in TOTOLINK A800R 4.1.2cu.5137_B20200730. This impacts the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Such manipulation of the argument Comment leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.