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    CVE-2026-27846

    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.

    Published:Feb 25, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 25, 2026
    EPSS Score:0.0002
    CVSS Score:6.2

    Affected Products

    Vendor
    Linksys
    Product
    Mr9600
    Vendor
    Linksys
    Product
    Mx4200

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-27849 (CVSS 9.8) — Due to missing neutralization of special elements, OS commands can be injected via the update functionality of…
    CVE-2026-27848 (CVSS 9.8) — Due to missing neutralization of special elements, OS commands can be injected via the handshake of a TLS-SRP …
    CVE-2026-27847 (CVSS 9.8) — Due to improper neutralization of special elements, SQL statements can be injected via the handshake of a TLS-…
    CVE-2026-25603 (CVSS 6.6) — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Linksys MR9600…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High