CVE-2026-27848: Missing neutralization in Linksys MR9600, Linksys MX4200

Published Feb 25, 2026
·
Updated

Due to missing neutralization of special elements, OS commands can be injected via the handshake of a TLS-SRP connection, which are ultimately run as the root user. This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.

Affected Software

2 affected components
LinkSys MR9600
LinkSys MX4200

Event History

Feb 25, 2026
CVE Published
via MITRE·03:15 PM
Data Sourced
via MITRE·03:15 PM
DescriptionWeakness
Data Sourced
via NVD·04:23 PM
DescriptionSeverityWeakness
Oct 1, 58139
Event
via FIRST·03:38 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-27848?

CVE-2026-27848 is considered a critical vulnerability due to the potential for OS command injection as the root user.

2

How do I fix CVE-2026-27848?

To remediate CVE-2026-27848, apply the latest firmware update provided by Linksys for the MR9600 and MX4200 devices.

3

Which devices are affected by CVE-2026-27848?

CVE-2026-27848 affects the Linksys MR9600 running version 1.0.4.205530 and the Linksys MX4200 running version 1.0.13.210200.

4

What type of issue is CVE-2026-27848?

CVE-2026-27848 is a security vulnerability that involves missing neutralization, allowing for command injection during the TLS-SRP handshake.

5

Can CVE-2026-27848 lead to unauthorized access?

Yes, CVE-2026-27848 can lead to unauthorized access and control of affected devices due to command execution as the root user.

Contact

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