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CVE-2026-25603— Path Traversal vulnerability in Linksys MR9600, Linksys MX4200

Quick assessment

Affected
Linksys MR9600
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linksys MR9600和Linksys MX4200都是美国Linksys公司的产品。Linksys MR9600是一款无线路由器。Linksys MX4200是一个网状网络路由器。 Linksys MR9600 1.0.4.205530版本和Linksys MX4200 1.0.13.210200版本存在安全漏洞，该漏洞源于路径遍历，可能导致USB驱动器分区内容被挂载到文件系统的任意位置。

AI Predicted 7.2 Difficulty: Trivial EPSS 0.30% · P21

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection
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I. Basic Information for CVE-2026-25603

Vulnerability Information
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Vulnerability Title
Path Traversal vulnerability in Linksys MR9600, Linksys MX4200
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Linksys MR9600和Linksys MX4200 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linksys MR9600和Linksys MX4200都是美国Linksys公司的产品。Linksys MR9600是一款无线路由器。Linksys MX4200是一个网状网络路由器。 Linksys MR9600 1.0.4.205530版本和Linksys MX4200 1.0.13.210200版本存在安全漏洞，该漏洞源于路径遍历，可能导致USB驱动器分区内容被挂载到文件系统的任意位置。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linksys MR9600 1.0.4.205530 -
Linksys MX4200 1.0.13.210200 -

II. Public POCs for CVE-2026-25603

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III. Intelligence Information for CVE-2026-25603

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Vendor Advisories for CVE-2026-25603 (1)

IV. Related Vulnerabilities

Same product: MR9600
Same vendor: Linksys
Same weakness: CWE-22

V. Comments for CVE-2026-25603

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