CVE-2025-64128

Zenitel TCIV-3+ OS Command Injection

Published Nov 26, 2025 CVSS 4.0 · 10 Critical EPSS 2.3% KEV · Not listed
Description
An OS command injection vulnerability exists due to incomplete
validation of user-supplied input. Validation fails to enforce
sufficient formatting rules, which could permit attackers to append
arbitrary data. This could allow an unauthenticated attacker to inject
arbitrary commands.

Remediation

Vendor Solution

Zenitel recommends users to upgrade to Version 9.3.3.0 or later https://wiki.zenitel.com/wiki/Downloads#Station_and_Device_Firmware_Package_.28VS-IS.29 .

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Zenitel
Zenitel tciv-3+
Vendors & Products Zenitel
Zenitel tciv-3+
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An OS command injection vulnerability exists due to incomplete validation of user-supplied input. Validation fails to enforce sufficient formatting rules, which could permit attackers to append arbitrary data. This could allow an unauthenticated attacker to inject arbitrary commands.
Title Zenitel TCIV-3+ OS Command Injection
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}

cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:L/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Nov 26, 2025, 7:13 PM
Reserved
Oct 27, 2025, 6:03 PM
Status
Deferred
Published
Nov 26, 2025, 6:15 PM
Modified
Oct 18, 2026, 8:10 PM