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Vulnerability record · CVE-2026-27849 · published 25 February 2026

CVE-2026-27849: OS command injection vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 0.59% · top 54.2% CWE-78 · OS command injection Deferred
9.8CVSS 3.1 base score
0.59%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-011.txt

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Source: NIST National Vulnerability Database (record CVE-2026-27849), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.