CVE-2023-39293: Mitel MiVoice Office 400

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

A Command Injection vulnerability has been identified in the MiVoice Office 400 SMB Controller through 1.2.5.23 which could allow a malicious actor to execute arbitrary commands within the context of the system.

Affected products

• Mitel MiVoice Office 400: up to and including 7.0.9281
• Mitel MiVoice Office 400 SMB Controller Firmware: up to and including 1.2.5.23

Published 2023-08-14. Last modified 2026-06-17.