Is CVE-2026-19847 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-19847?

CVE-2026-19847 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-19847

Description

A security flaw has been discovered in TOTOLINK A800R 4.1.2cu.5137_B20200730. Affected is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component wps.so. The manipulation of the argument pin results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.