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    CVE-2026-25603

    Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Linksys MR9600, Linksys MX4200 allows that contents of a USB drive partition can be mounted in an arbitrary location of the file system. This may result in the execution of shell scripts in the context of a root user.This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.

    Published:Feb 24, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 24, 2026
    EPSS Score:0.0004
    CVSS Score:6.6

    Affected Products

    Vendor
    Linksys
    Product
    Mr9600
    Vendor
    Linksys
    Product
    Mr9600 Firmware
    Vendor
    Linksys
    Product
    Mx4200
    Vendor
    Linksys
    Product
    Mx4200 Firmware

    Exploits

    https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-001.txt

    Related CVEs

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    CVE-2026-27850 (CVSS 7.5) — Due to an improperly configured firewall rule, the router will accept any connection on the WAN port with the …
    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-2026-27846 (CVSS 6.2) — Due to missing authentication, a user with physical access to the device can misuse the mesh functionality for…
    CVE-2022-24372 (CVSS 4.6) — Linksys MR9600 devices before 2.0.5 allow attackers to read arbitrary files via a symbolic link to the root di…

    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