HIGH 7.4 NVD
CVE-2026-19814
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 fire
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.
References
- https://github.com/panda666-888/vuls/blob/main/totolink/a800r/setMacQos.md
- https://vuldb.com/cve/CVE-2026-19814
- https://vuldb.com/submit/869431
- https://vuldb.com/vuln/389950
- https://vuldb.com/vuln/389950/cti
This high severity vulnerability with a CVSS score of 7.4 was published on 2026-08-14 via NVD.
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