🛡️ CVE-2025-64091 — tcis-3-firmware

🟠 CVSS 8.6 — High ✅ No Known Exploit CWE-78 NVD
8.6
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

This vulnerability allows authenticated attackers to execute commands via the NTP-configuration of the device.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity none, availability none.

Weakness class

CVE-2025-64091 is classified as CWE-78: OS Command Injection. Untrusted input reaches a shell command without neutralisation, so an attacker can run arbitrary operating system commands.

Affected software

CVE-2025-64091 is recorded against 1 package.

  • tcis-3-firmware (fixed in 9.2.3.3)

Timeline and source

Published on 9 January 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.zenitel.com

Details

Severity HIGH
CVSS Score 8.6
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CWE CWE-78
Public Exploit ✅ No
Source NVD
Published 2026-01-09
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
tcis-3-firmware — 9.2.3.3

Similar Threats

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