CVE-2024-37570: Mitel 6869i SIP Firmware

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

On Mitel 6869i 4.5.0.41 devices, the Manual Firmware Update (upgrade.html) page does not perform sanitization on the username and path parameters (sent by an authenticated user) before appending flags to the busybox ftpget command. This leads to $() command execution.

Affected products

• Mitel 6869i SIP Firmware: version 4.5.0.41 only

Published 2024-06-09. Last modified 2026-06-17.