CVE-2026-19813

EUVD-2026-58608
A security vulnerability has been detected in TOTOLINK A800R 4.1.2cu.5137_B20200730. This impacts the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Such manipulation of the argument Comment leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 45.81%
Common Weakness Enumeration
References
https://github.com/panda666-888/vuls/blob/main/totolink/a800r/setMacFilterRules.md
https://vuldb.com/cve/CVE-2026-19813
https://vuldb.com/submit/869430
https://vuldb.com/vuln/389949
https://vuldb.com/vuln/389949/cti
https://www.totolink.net/