CVE-2025-64090 CRITICAL

CVE-2025-64090: Authenticated Remote Code Execution in device hostname

Vendor Zenitel
Product TCIS-3+
Published January 9, 2026
Last update January 9, 2026
View on NVD All CVEs

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

This vulnerability allows authenticated attackers to execute commands via the hostname of the device.

Key dates

02Disclosure timeline

January 9, 2026 CVE published
January 9, 2026 Record updated