CVE-2019-9726: Eq-3 CCU3 Firmware

High severity, CVSS 7.5. EPSS: 16.3% chance of exploitation in the next 30 days.

Directory Traversal / Arbitrary File Read in eQ-3 AG Homematic CCU3 3.43.15 and earlier allows remote attackers to read arbitrary files of the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.

Affected products

• Eq-3 CCU3 Firmware: up to and including 3.43.15

Published 2019-05-13. Last modified 2026-06-17.