CVE-2026-19814
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Aug 14, 2026
Vendor
unknown
Description
A vulnerability was detected in TOTOLINK A800R 4.1.2cu.5137_B20200730. Affected is the function setMacQos of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Performing a manipulation of the argument macAddress results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used.