CVE-2024-41711: Mitel 6800 Series SIP Phones

Medium severity, CVSS 6.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability in the Mitel 6800 Series, 6900 Series, and 6900w Series SIP Phones, including the 6970 Conference Unit, through R6.4.0.HF1 (R6.4.0.136) could allow an unauthenticated attacker with physical access to the phone to conduct an argument injection attack, due to insufficient parameter sanitization. A successful exploit could allow an attacker to execute arbitrary commands within the context of the system.

Affected products

• Mitel 6800 Series SIP Phones: up to and including r6.4.0hf1
• Mitel 6900 Series SIP Phones: up to and including r6.4.0hf1
• Mitel 6900w Series SIP Phone: up to and including r6.4.0hf1
• Mitel 6970 Conference Unit: up to and including r6.4.0hf1

Published 2024-08-13. Last modified 2026-06-17.