CVE-2025-64091
BaseFortify
Publication date: 2026-01-09
Last updated on: 2026-02-12
Assigner: National Cyber Security Centre Netherlands (NCSC-NL)
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| zenitel | tcis-3_firmware | to 9.2.3.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability allows authenticated attackers to execute commands on the device via its NTP configuration. Essentially, if an attacker has valid access, they can exploit the Network Time Protocol settings to run unauthorized commands on the affected device.
How can this vulnerability impact me? :
The vulnerability can lead to unauthorized command execution on the device, which may compromise the device's integrity and security. This could allow attackers to manipulate device behavior or gain further access within the network, potentially leading to significant security risks.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade all affected Zenitel VS-IS firmware devices to version 9.3.3.1 or later, or version 8.2.3.5 or later for TCIV devices. After updating to these fixed firmware versions, no further mitigation is necessary. [1]