CVE-2026-27849 — OS Command Injection in Linksys Mr9600

CWE-78 — OS Command Injection3 documents3 sources
Severity
9.8CRITICALNVD
EPSS
0.1%
top 78.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Linksys Mr9600Linksys Mx4200
Timeline
PublishedFeb 25

Description

Due to missing neutralization of special elements, OS commands can be injected via the update functionality of a TLS-SRP connection, which is normally used for configuring devices inside the mesh network. This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5linksys/mr96001.0.4.205530
▶CVEListV5linksys/mx42001.0.13.210200

🔴Vulnerability Details

2
CVEList
Missing neutralization in Linksys MR9600, Linksys MX4200↗2026-02-25
▶
GHSA
GHSA-f2jw-4mh9-f63v: Due to missing neutralization of special elements, OS commands can be injected via the update functionality of a TLS-SRP connection, which is normally↗2026-02-25
▶
CVE-2026-27849 — OS Command Injection in Linksys Mr9600 | cvebase