CVE-2019-19891: Mitel SIP-Dect Firmware

Medium severity, CVSS 5.9. EPSS: 0.3% chance of exploitation in the next 30 days.

An encryption key vulnerability on Mitel SIP-DECT wireless devices 8.0 and 8.1 could allow an attacker to launch a man-in-the-middle attack. A successful exploit may allow the attacker to intercept sensitive information.

Affected products

• Mitel SIP-Dect Firmware: version 8.0 only; version 8.1 only

Published 2020-01-13. Last modified 2026-06-17.