CVE-2026-2823: Comfast CF-E7 webmggnt mbox-config sub_41ACCC command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 18.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-20 · updated 2026-06-17
Weakness: CWE-74

Description

A vulnerability was detected in Comfast CF-E7 2.6.0.9. The impacted element is the function sub_41ACCC of the file /cgi-bin/mbox-config?method=SET&section=ntp_timezone of the component webmggnt. Performing a manipulation of the argument timestr results in command injection. The attack is possible to be carried out 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-E7: 2.6.0.9

References

https://github.com/jinhao118/cve/blob/main/ComFast%20Router_3.md
https://vuldb.com/?ctiid.346948
https://vuldb.com/?id.346948
https://vuldb.com/?submit.753871

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