https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2020-12834.htmlhttps://patchthecve.com/cve/CVE-2020-12834.htmlWed, 17 Jun 2026 02:52:23 +0000CRITICAL 9.8: eQ-3 Homematic Central Control Unit (CCU)2 through 2.51.6 and CCU3 through 3.51.6 allow Remote Code Execution in the JSON API Method ReGa.runScript, by unauthenticated attackers with access to the web interface, due to the default auto-login feature being enabled during first-time setup (or factory https://patchthecve.com/cve/CVE-2019-14474.htmlhttps://patchthecve.com/cve/CVE-2019-14474.htmlWed, 17 Jun 2026 02:18:29 +0000HIGH 7.5: eQ-3 Homematic CCU3 3.47.15 and prior has Improper Input Validation in function 'Call()' of ReGa core logic process, resulting in the ability to start a Denial of Service. Due to Improper Authorization an attacker can obtain a session ID from CVE-2019-9583 or a valid guest/user/admin account can stahttps://patchthecve.com/cve/CVE-2019-14473.htmlhttps://patchthecve.com/cve/CVE-2019-14473.htmlWed, 17 Jun 2026 02:18:29 +0000HIGH 8.8: eQ-3 Homematic CCU2 and CCU3 use session IDs for authentication but lack authorization checks. Consequently, a valid guest level or user level account can create a new admin level account, read the service messages, clear the system protocol or modify/delete internal programs, etc. pp.https://patchthecve.com/cve/CVE-2019-14475.htmlhttps://patchthecve.com/cve/CVE-2019-14475.htmlWed, 17 Jun 2026 02:18:30 +0000HIGH 7.5: eQ-3 Homematic CCU2 2.47.15 and prior and CCU3 3.47.15 and prior use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID from CVE-2019-9583, resulting in the ability to read the service messages, clear the system protocol, create a new user in the systemhttps://patchthecve.com/cve/CVE-2019-10122.htmlhttps://patchthecve.com/cve/CVE-2019-10122.htmlWed, 17 Jun 2026 02:10:17 +0000CRITICAL 9.8: eQ-3 HomeMatic CCU2 devices before 2.41.9 and CCU3 devices before 3.43.16 have buffer overflows in the ReGa ise GmbH HTTP-Server 2.0 component, aka HMCCU-179. This may lead to remote code execution.https://patchthecve.com/cve/CVE-2019-10121.htmlhttps://patchthecve.com/cve/CVE-2019-10121.htmlWed, 17 Jun 2026 02:10:16 +0000CRITICAL 9.8: eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.15 use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID via the user authentication dialogue, aka HMCCU-153. This leads to automatic login as admin.https://patchthecve.com/cve/CVE-2019-10120.htmlhttps://patchthecve.com/cve/CVE-2019-10120.htmlWed, 17 Jun 2026 02:10:16 +0000HIGH 8.8: On eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.16, automatic login configuration (aka setAutoLogin) can be achieved by continuing to use a session ID after a logout, aka HMCCU-154.https://patchthecve.com/cve/CVE-2019-10119.htmlhttps://patchthecve.com/cve/CVE-2019-10119.htmlWed, 17 Jun 2026 02:10:16 +0000CRITICAL 9.8: eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.16 use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID via an invalid login attempt to the RemoteApi account, aka HMCCU-154. This leads to automatic login as admin.https://patchthecve.com/cve/CVE-2019-9727.htmlhttps://patchthecve.com/cve/CVE-2019-9727.htmlWed, 17 Jun 2026 02:44:14 +0000HIGH 7.5: Unauthenticated password hash disclosure in the User.getUserPWD method in eQ-3 AG Homematic CCU3 3.43.15 and earlier allows remote attackers to retrieve the GUI password hashes of GUI users. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.https://patchthecve.com/cve/CVE-2019-9726.htmlhttps://patchthecve.com/cve/CVE-2019-9726.htmlWed, 17 Jun 2026 02:44:14 +0000HIGH 7.5: 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.