CVE-2026-19811 — TOTOLINK A800R firewall.so cstecgi.cgi setIpQosRules stack-based overflow
A security flaw has been discovered in TOTOLINK A800R 4.1.2cu.5137_B20200730. The impacted element is the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the componen…
Published: 2026-08-14 · CVSS: 8.7 · CVSS 4.0
A security flaw has been discovered in TOTOLINK A800R 4.1.2cu.5137_B20200730. The impacted element is the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. The manipulation of the argument Comment results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7