CVE-2026-27849

CVE-2026-27849: Missing neutralization in Linksys MR9600, Linksys MX4200

Vendor Linksys

Product MR9600

Weakness CWE-78

Published February 25, 2026

Last update February 26, 2026

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 25, 2026 CVE published

February 26, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-27849 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/78.html

Identifiers

CVE CVE-2026-27849

CWE CWE-78

Affected versions

Vendor Linksys

Product MR9600

Affected 1.0.4.205530

Vendor Linksys

Product MX4200

Affected 1.0.13.210200