CVE-2026-2534: Comfast CF-N1 V2 mbox-config sub_44AC4C command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 15.0% 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 has been found in Comfast CF-N1 V2 2.6.0.2. The affected element is the function sub_44AC4C of the file /cgi-bin/mbox-config?method=SET&section=ptest_bandwidth. The manipulation of the argument bandwidth leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may 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_1.md
https://vuldb.com/?ctiid.346122
https://vuldb.com/?id.346122
https://vuldb.com/?submit.748783

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