CVE-2025-64091
High
Description
This vulnerability allows authenticated attackers to execute commands via the NTP-configuration of the device.
SeverityHigh
CVSS8.6
Exploit probability—
ProductZenitel Tcis-3 Firmware
PublishedJan 9, 2026
First seenJan 9, 2026
Weakness typeCWE-78OS command injection
How to fix
Update
- zenitel tcis-3_firmware9.2.3.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zenitel tcis-3_firmware | v < 9.2.3.3 | 9.2.3.3 |
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