Arbitrary Command Execution Vulnerability in Zenitel Products
CVE-2025-59817

8.4HIGH

Key Information:

Vendor

Zenitel

Status
Tcis-3+
Vendor
CVE Published:
25 September 2025

What is CVE-2025-59817?

This vulnerability in Zenitel communication devices allows attackers to execute arbitrary commands on the underlying system. Due to the web portal's operation with root privileges, successful exploitation of this flaw grants attackers full control over the device. This could lead to serious risks including unauthorized access to sensitive data, disruption of services, and a complete breach of system integrity.

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Affected Version(s)

TCIS-3+ <9.2.3.3

References

https://wiki.zenitel.com/wiki/Downloads#Stations_and_Devices
patch

CVSS V3.1

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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