CVE-2026-27848

Missing neutralization in Linksys MR9600, Linksys MX4200

State: Published
Severity: 9.8 Critical
Published: Feb 25, 2026
Updated: Feb 26, 2026
Reserved: Feb 24, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
MR9600Linksys	1.0.4.205530Affected
MX4200Linksys	1.0.13.210200Affected

References

https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-010.txtthird-party-advisorytechnical-description

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.