CVE-2019-14986: Eq-3 Homematic CCU2 Firmware

High severity, CVSS 8.1. EPSS: 2.5% chance of exploitation in the next 30 days.

eQ-3 Homematic CCU2 and CCU3 with the CUxD AddOn before 2.3.0 installed allow administrative operations by unauthenticated attackers with access to the web interface, because features such as File-Browser and Shell Command (as well as "Set root password") are exposed.

Affected products

  • Eq-3 Homematic CCU2 Firmware: before 2.3.0 (fixed in 2.3.0)
  • Eq-3 Homematic CCU3 Firmware: before 2.3.0 (fixed in 2.3.0)

Published 2019-08-13. Last modified 2026-06-17.