HIGH 7.4 NVD
CVE-2026-19811
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.cg
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.
References
- https://github.com/panda666-888/vuls/blob/main/totolink/a800r/setIpQosRules.md
- https://vuldb.com/cve/CVE-2026-19811
- https://vuldb.com/submit/869425
- https://vuldb.com/vuln/389947
- https://vuldb.com/vuln/389947/cti
This high severity vulnerability with a CVSS score of 7.4 was published on 2026-08-14 via NVD.
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