Is CVE-2026-77004 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-77004?

CVE-2026-77004 has a CVSS v3 severity of HIGH (7.4).

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CVE-2026-77004

Description

A flaw has been found in Comfast CF-N1-S 2.6.0.1. This impacts the function sprintf of the file /cgi-bin/mbox-config?method=SET&section=ptest_sn. Executing a manipulation of the argument sn can lead to command injection. The attack can be launched remotely. The exploit has been published and may be used.