CVE-2026-3798: Comfast Cf-AC100 Firmware

High severity, CVSS 7.2. EPSS: 11.3% chance of exploitation in the next 30 days.

A vulnerability was detected in Comfast CF-AC100 2.6.0.8. This affects the function sub_44AC14 of the file /cgi-bin/mbox-config?method=SET&section=ping_config of the component Request Path Handler. The manipulation results in command injection. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Comfast Cf-AC100 Firmware: version 2.6.0.8 only

Published 2026-03-09. Last modified 2026-06-17.