CVE-2026-27848CWE-78

Missing neutralization in Linksys MR9600, Linksys MX4200

Critical · published February 25, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
48.0
In the wild
Unconfirmed
What it is

Due to missing neutralization of special elements, OS commands can be injected via the handshake of a TLS-SRP connection, which are ultimately run as the root user.

This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00599 · 48.0th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-02-25T15:15Z
EPSS history
Timeline
  • 25 FEB 15:15Z
    Missing neutralization in Linksys MR9600, Linksys MX4200
    cvelistv5