CVE-2026-19976: COMFAST CF-N1-S mbox-config sub_44A968 command injection

Published Aug 17, 2026
·
Updated

A security vulnerability has been detected in COMFAST CF-N1-S 2.6.0.1. Impacted is the function sub44A968 of the file /cgi-bin/mbox-config?method=SET&section=ptestmacaddress. Such manipulation of the argument macaddress leads to command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

1 affected component
COMFAST CF-N1-S=2.6.0.1

Event History

Aug 17, 2026
CVE Published
via MITRE·02:45 AM
Data Sourced
via MITRE·02:45 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-19976?

The severity of CVE-2026-19976 is medium, with a CVSS score of 6.6.

2

How do I fix CVE-2026-19976?

To fix CVE-2026-19976, update the COMFAST CF-N1-S firmware to the latest version provided by the manufacturer.

3

What is the impact of CVE-2026-19976?

CVE-2026-19976 allows for command injection, which can lead to remote exploitation of affected devices.

4

Can CVE-2026-19976 be exploited remotely?

Yes, CVE-2026-19976 can be exploited remotely due to the nature of the command injection vulnerability.

5

Which software is affected by CVE-2026-19976?

CVE-2026-19976 affects the COMFAST CF-N1-S version 2.6.0.1.

Contact

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