CVE-2018-7296: Eq-3 Homematic Central Control Unit CCU2 Firmware

Medium severity, CVSS 5.3. EPSS: 1.9% chance of exploitation in the next 30 days.

Directory Traversal / Arbitrary File Read in User.getLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to read the first line of an arbitrary file on the CCU2's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.

Affected products

• Eq-3 Homematic Central Control Unit CCU2 Firmware: up to and including 2.29.22

Published 2018-02-22. Last modified 2026-06-17.