CVE-2026-2537: Comfast CF-E4 HTTP POST Request mbox-config command injection

Published Feb 16, 2026
·
Updated

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=ntptimezone 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.

Affected Software

3 affected components
Comfast CF-E4
All of the following
Comfast Cf-e4 Firmware=2.6.0.1
Comfast CF-E4

Event History

Feb 16, 2026
CVE Published
via MITRE·05:32 AM
Data Sourced
via MITRE·05:32 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-2537?

CVE-2026-2537 is a critical vulnerability that can lead to command injection via HTTP POST requests.

2

How do I fix CVE-2026-2537?

To fix CVE-2026-2537, update the Comfast CF-E4 to the latest firmware version provided by the vendor.

3

What components are affected by CVE-2026-2537?

CVE-2026-2537 affects the HTTP POST Request Handler in the Comfast CF-E4 firmware version 2.6.0.1.

4

What type of vulnerability is CVE-2026-2537?

CVE-2026-2537 is categorized as a command injection vulnerability.

5

Can CVE-2026-2537 compromise my network security?

Yes, if exploited, CVE-2026-2537 can compromise network security by allowing unauthorized command execution.

Contact

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