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Critical · 9.8 CVE-2026-27849 EUVD-2026-8688GHSA-f2jw-4mh9-f63v

Missing neutralization in Linksys MR9600, Linksys MX4200

Published Feb 25, 2026 · Updated Feb 26, 2026 · Assigned by ENISA

Description

Due to missing neutralization of special elements, OS commands can be injected via the update functionality of a TLS-SRP connection, which is normally used for configuring devices inside the mesh network.
This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.

Affected products

VendorProductAffectedFixed
Linksys MR9600 1.0.4.205530 —
Linksys MX4200 1.0.13.210200 —

References