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Medium · 6.2 CVE-2026-27846 EUVD-2026-8648GHSA-6j93-38rf-cf9g

Missing authentication in Linksys MR9600, Linksys MX4200

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

Description

Due to missing authentication, a user with physical access to the device can misuse the mesh functionality for adding a new mesh device to the network 
to gain access to sensitive information, including the password for admin access to the web interface and the Wi-Fi passwords.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