CVE-2025-64128

Zenitel TCIV-3+ OS Command Injection

State: Published
Severity: 10.0 Critical
Published: Nov 26, 2025
Updated: Nov 26, 2025
Reserved: Oct 27, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	10.0 Critical	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	icscert
3.1	10.0 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	icscert

Weaknesses

CWE-78

Affected Products

Product	Versions
TCIV-3+Zenitel	9.3.3.0 and earlierAffected

References

https://wiki.zenitel.com/wiki/Downloads#Station_and_Device_Firmware_Package_.28VS-IS.29
https://www.cisa.gov/news-events/ics-advisories/icsa-25-329-03
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-329-03.json

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