Path Traversal vulnerability in Linksys MR9600, Linksys MX4200
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linksys | MR9600 | 1.0.4.205530 and later | — | No fix listed | CNA |
| Linksys | MX4200 | 1.0.13.210200 | — | No fix listed | CNA |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linksys:mr9600_firmware:1.0.4.205530:*:*:*:*:*:*:* | 1.0.4.205530 | Vulnerable | Linksys |
| cpe:2.3:h:linksys:mr9600:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linksys |
| cpe:2.3:o:linksys:mx4200_firmware:1.0.4.205530:*:*:*:*:*:*:* | 1.0.4.205530 | Vulnerable | Linksys |
| cpe:2.3:h:linksys:mx4200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linksys |
- 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
- 2026-10-02 Threatist record created from CVE-2026-25603
- 2026-10-03 Alias added: GHSA-6xhx-53c5-f9qr
References
More Linksys Mr9600 Firmware vulnerabilities
- 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
- CVE-2026-25603 · CVE Program
- CVE-2026-25603 · NVD
- FIRST EPSS
- GHSA-6xhx-53c5-f9qr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences