CVE-2026-19845

A vulnerability was determined in TOTOLINK A800R 4.1.2cu.5137_B20200730. This affects the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi of the component lan.so. Executing a manipulation of the argument Comment can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.

• CWE-119
• CWE-121

• https://github.com/panda666-888/vuls/blob/main/totolink/a800r/setStaticDhcpConfig.md
• https://vuldb.com/cve/CVE-2026-19845
• https://vuldb.com/submit/869454
• https://vuldb.com/vuln/389981
• https://vuldb.com/vuln/389981/cti
• https://www.totolink.net/

Published

Aug 14, 2026

Last Modified

Aug 14, 2026

Status

Deferred

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