CVE-2026-27846
Missing authentication in Linksys MR9600, Linksys MX4200
- State
- Published
- Severity
- 6.2 Medium
- Published
- Feb 25, 2026
- Updated
- Feb 25, 2026
- Reserved
- Feb 24, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.2 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-306 Missing Authentication for Critical Function
Affected Products
| Product | Versions |
|---|---|
MR9600Linksys |
|
MX4200Linksys |
|
References
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-002.txtthird-party-advisorytechnical-description
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