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TI-2026-20710 Aliases CVE-2026-25603GHSA-6xhx-53c5-f9qr

Path Traversal vulnerability in Linksys MR9600, Linksys MX4200

Priority LOW 31CWE-22Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00305 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinksysMR96001.0.4.205530 and later—No fix listedCNA
LinksysMX42001.0.13.210200—No fix listedCNA
  • MR9600 VendorLinksys Affected 1.0.4.205530 and later Fixed in — No fix listed CNA
  • MX4200 VendorLinksys Affected 1.0.13.210200 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:linksys:mr9600_firmware:1.0.4.205530:*:*:*:*:*:*:*1.0.4.205530VulnerableLinksys
cpe:2.3:h:linksys:mr9600:-:*:*:*:*:*:*:*not specified by NVDRunning onLinksys
cpe:2.3:o:linksys:mx4200_firmware:1.0.4.205530:*:*:*:*:*:*:*1.0.4.205530VulnerableLinksys
cpe:2.3:h:linksys:mx4200:-:*:*:*:*:*:*:*not specified by NVDRunning onLinksys
  • cpe:2.3:o:linksys:mr9600_firmware:1.0.4.205530:*:*:*:*:*:*:* Versions 1.0.4.205530 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:mr9600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linksys
  • cpe:2.3:o:linksys:mx4200_firmware:1.0.4.205530:*:*:*:*:*:*:* Versions 1.0.4.205530 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:mx4200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linksys

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-25603
  2. 2026-10-03 Alias added: GHSA-6xhx-53c5-f9qr

References

  • TI-2026-03963 Linksys MR9600 SmartConnect.lua smartConnectConfigure os command injection CVSS 4.0HIGH 8.7
  • TI-2026-06120 Linksys MR9600 JNAP Action run_central2.sh BTRequestGetSmartConnectStatus os command injection CVSS 4.0HIGH 8.6
  • TI-2022-08249 Linksys MR9600 devices before 2.0.5 allow attackers to read arbitrary files via a… CVSS 3.1MEDIUM 4.6

Sources