CVE-2022-29854: Mitel Minet Firmware

Medium severity, CVSS 6.8. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability in Mitel 6900 Series IP (MiNet) phones excluding 6970, versions 1.8 (1.8.0.12) and earlier, could allow a unauthenticated attacker with physical access to the phone to gain root access due to insufficient access control for test functionality during system startup. A successful exploit could allow access to sensitive information and code execution.

Affected products

• Mitel Minet Firmware: up to and including 1.8.0.12

Published 2022-05-13. Last modified 2026-06-17.