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CVE-2026-25603

Path Traversal vulnerability in Linksys MR9600, Linksys MX4200

MEDIUM
6.6
CVSS Score
Published: February 24, 2026 at 05:14 PM UTC
Updated: June 17, 2026 at 10:24 AM UTC
4 products affected across 1 vendorMR9600 FirmwareMX4200 FirmwareMR9600

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Severity
MEDIUM6.6
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitThird Party Advisory
Source: cverecord
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-001.txt

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.6MEDIUMCISA-ADP
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-22

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