CVE-2025-64090

Critical

Description

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

SeverityCritical
CVSS10.0
Exploit probability—
ProductZenitel Tcis-3 Firmware
PublishedJan 9, 2026
First seenJan 9, 2026

How to fix

Update
  • zenitel tcis-3_firmware9.2.3.3 or later

Affected products

ProductAffected versionsFixed in
zenitel tcis-3_firmwarev < 9.2.3.39.2.3.3

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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