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CVE-2026-27846

Published: Feb 25, 2026

Modified: Feb 25, 2026

PUBLISHED

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.

Vendor	Product	Versions
Linksys	MR9600	affected `1.0.4.205530`
Linksys	MX4200	affected `1.0.13.210200`

Weaknesses (CWE)

References

https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-002.txt

third-party-advisory

technical-description

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