CVE-2025-64128
Zenitel TCIV-3+ OS Command Injection
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Zenitel TCIV-3+ OS Command Injection
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.
- Record
CVE-2025-64128- CVSS 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 - CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
EUVDEUVD-2025-199740
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.
- Record
EUVD-2025-199740- CVSS 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hhwp-x975-8r4g
An OS command injection vulnerability exists due to incomplete validation of user-supplied input...
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.
- Record
GHSA-hhwp-x975-8r4g- CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-64128- CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-64128 is a critical vulnerability (CVSS 10.0) in Zenitel Tciv-3+, published November 26, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.32%, the 83rd percentile. No source names a fixed version.