CVE-2026-2537 — MEDIUM (4.7)

Vulnerability 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 Score

4.7

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Comfast	Cf-E4 Firmware	2.6.0.1
Comfast	Cf-E4	-

Related Weaknesses (CWE)

CWE-74 CWE-77

References

https://github.com/cha0yang1/COMFAST/blob/main/RCE.mdExploitThird Party Advisory
https://vuldb.com/?ctiid.346125Permissions RequiredVDB Entry
https://vuldb.com/?id.346125Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.749196Third Party AdvisoryVDB Entry

FAQ

What is CVE-2026-2537?

CVE-2026-2537 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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. S...

How severe is CVE-2026-2537?

CVE-2026-2537 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-2537?

Check the references section above for vendor advisories and patch information. Affected products include: Comfast Cf-E4 Firmware, Comfast Cf-E4.