VDB-333591 · CVE-2025-64127 · icsa-25-329-03

Zenitel TCIV-3+ prior 9.3.3.0 os command injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Zenitel TCIV-3+. Impacted is an unknown function. Performing a manipulation results in os command injection. This vulnerability is identified as CVE-2025-64127. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Zenitel TCIV-3+. It has been classified as very critical. This affects some unknown processing. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An OS command injection vulnerability exists due to insufficient sanitization of user-supplied input. The application accepts parameters that are later incorporated into OS commands without adequate validation. This could allow an unauthenticated attacker to execute arbitrary commands remotely.

It is possible to read the advisory at cisa.gov. This vulnerability is uniquely identified as CVE-2025-64127. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/27/2025). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 9.3.3.0 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Zenitel

Name

TCIV-3+

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 10.0
CNA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: TCIV-3+ 9.3.3.0

Timelineinfo

11/26/2025 Advisory disclosed
11/26/2025 +0 days VulDB entry created
11/27/2025 +1 days VulDB entry last update

Sourcesinfo

Advisory: icsa-25-329-03
Status: Confirmed

CVE: CVE-2025-64127 (🔒)
GCVE (CVE): GCVE-0-2025-64127
GCVE (VulDB): GCVE-100-333591

Entryinfo

Created: 11/26/2025 07:01
Updated: 11/27/2025 13:48
Changes: 11/26/2025 07:01 (51), 11/27/2025 13:48 (24)
Complete: 🔍
Cache ID: 216::103