CVE-2026-2537

MEDIUM 4.7

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

CVSS Score

4.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-77 CWE-74
Vendor	comfast
Product	cf-e4
Published	Feb 16, 2026
Last Updated	Feb 23, 2026

Stay Ahead of the Next One

Get instant alerts for comfast cf-e4

Be the first to know when new medium vulnerabilities affecting comfast cf-e4 are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Comfast / CF-E4

2.6.0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.346125 vuldb.com: https://vuldb.com/?ctiid.346125 vuldb.com: https://vuldb.com/?submit.749196 github.com: https://github.com/cha0yang1/COMFAST/blob/main/RCE.md

Credits

🔍 cha0yang (VulDB User)