Vulnerability · Published Jan 9, 2026 · Assigned by NCSC-NL

CVE-2025-64090Authenticated Remote Code Execution in device hostname

Critical 10.0

In plain English

A critical-severity command injection in TCIS-3+ from Zenitel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 3.1)10.0Critical

Exploit odds (30 days)0.4%top 63.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

Vendor	Product	Versions
Zenitel	TCIS-3+	<9.2.3.3

Weakness: CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

Zenitel Security Advisory vendor-advisory