Zenitel TCIS-3+ prior 9.2.3.3 Hostname command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Zenitel TCIS-3+. This affects an unknown part of the component Hostname Handler. The manipulation leads to Remote Privilege Escalation. This vulnerability is referenced as CVE-2025-64090. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Zenitel TCIS-3+. This issue affects some unknown functionality of the component Hostname Handler. The manipulation with an unknown input leads to a remote privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows authenticated attackers to execute commands via the hostname of the device.

The advisory is shared at zenitel.com. The identification of this vulnerability is CVE-2025-64090 since 10/27/2025. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 9.2.3.3 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.2
VulDB Meta Temp Score: 9.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 10.0
CNA Vector (NCSC-NL): 🔒

CVSSv2info

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: TCIS-3+ 9.2.3.3

Timelineinfo

10/27/2025 CVE reserved
01/09/2026 +74 days Advisory disclosed
01/09/2026 +0 days VulDB entry created
02/12/2026 +34 days VulDB entry last update

Sourcesinfo

Advisory: zenitel.com
Status: Confirmed

CVE: CVE-2025-64090 (🔒)
GCVE (CVE): GCVE-0-2025-64090
GCVE (VulDB): GCVE-100-340265

Entryinfo

Created: 01/09/2026 12:28
Updated: 02/12/2026 19:30
Changes: 01/09/2026 12:28 (55), 01/09/2026 12:29 (10), 01/10/2026 00:29 (2), 02/12/2026 19:30 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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