CVE-2021-28912: Bab-Technologie Eibport Firmware

High severity, CVSS 7.2. EPSS: 1.2% chance of exploitation in the next 30 days.

BAB TECHNOLOGIE GmbH eibPort V3. Each device has its own unique hard coded and weak root SSH key passphrase known as 'eibPort string'. This is usable and the final part of an attack chain to gain SSH root access.

Affected products

• Bab-Technologie Eibport Firmware: before 3.9.1 (fixed in 3.9.1)

Published 2021-09-09. Last modified 2026-06-17.