High severity · published Feb 20, 2026
CVE-2026-2823
Comfast CF-E7 webmggnt mbox-config sub_41ACCC command injection
8.8
CVSS
18.9%
EPSS
No
On KEV
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§ion=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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)18.9% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
CF-E7 · Comfast
2.6.0.9 · source: vendor
CF
Cf-e7 Firmware · Comfast
2.6.0.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2823
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2823
Exploit
https://github.com/jinhao118/cve/blob/main/ComFast%20Router_3.md
Permissions Required
https://vuldb.com/?ctiid.346948
Third Party Advisory
https://vuldb.com/?id.346948
Third Party Advisory
https://vuldb.com/?submit.753871
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