CVE-2025-64091 HIGH

CVE-2025-64091: Authenticated Remote Code Execution in the NTP-configuration

Vendor Zenitel
Product TCIS-3+
Published January 9, 2026
Last update January 9, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

This vulnerability allows authenticated attackers to execute commands via the NTP-configuration of the device.

Key dates

02Disclosure timeline

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