CVE-2026-19814 — TOTOLINK A800R firewall.so cstecgi.cgi setMacQos stack-based overflow
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. Performi…
Published: 2026-08-14 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7