Is CVE-2026-25603 actively exploited?

No active exploitation of CVE-2026-25603 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-25603 be exploited remotely?

No. CVE-2026-25603 requires physical access to exploit.

What is the CVSS score of CVE-2026-25603?

CVE-2026-25603 has a CVSS score of 6.6 (MEDIUM) and an EPSS exploitation probability of 0.02%.

HOME VULNERABILITIESCVE-2026-25603

MEDIUM

CVE-2026-25603

CWE-22Published: February 24, 2026· Updated: Feb 26, 2026

6.6

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:3.3th

Official 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.

NVD Source

Technical Analysis

CVE-2026-25603 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.6.