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CVE-2026-2537

Comfast CF-E4 HTTP POST Request mbox-config command injection

Published: Feb 16, 2026Updated: Apr 29, 2026 Sources: CVE List NVDCWE-74
NVD MITRE
4.7CVSSMEDIUM
EPSS Score
15.4%
Top 3.6%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

Description

A vulnerability was identified in Comfast CF-E4 2.6.0.1. This impacts an unknown function of the file /cgi-bin/mbox-config?method=SET&section=ntp_timezone of the component HTTP POST Request Handler. Such manipulation of the argument timestr leads to command injection. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-74CWE-77

Affected Products

CF-E4Comfast
Embedded
Hardware Firmware / network-adapter
cf-e4 firmwarecomfast
Embedded
Hardware Firmware / network-adapter
comfastcommercialHardware Firmwareaka comfast cf-n1, cf-xr11 firmware, cf-n1

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://vuldb.com/?id.346125
vuldb.com
https://vuldb.com/?ctiid.346125
vuldb.com
https://vuldb.com/?submit.749196
vuldb.com
and 1 more references View all →

Timeline

Published
Feb 16, 2026
Last Updated
Apr 29, 2026

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