Is CVE-2026-19845 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-19845?

CVE-2026-19845 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-19845

Description

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.