CVE-2026-2535: Comfast CF-N1 V2 mbox-config sub_44AB9C command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 15.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-16 · updated 2026-06-17
Weakness: CWE-74

Description

A vulnerability was found in Comfast CF-N1 V2 2.6.0.2. The impacted element is the function sub_44AB9C of the file /cgi-bin/mbox-config?method=SET&section=ptest_channel. The manipulation of the argument channel results in command injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Comfast CF-N1: 2.6.0.2

References

https://github.com/jinhao118/cve/blob/main/ComFast%20Router_2.md
https://vuldb.com/?ctiid.346123
https://vuldb.com/?id.346123
https://vuldb.com/?submit.748784

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