PatchTheCVECVE-2019-14986: eQ-3 Homematic CCU2 and CCU3 with the CUxD AddOn before 2.3.0 installed allow administrative operations by una
CVE-2019-14986 is a high-severity flaw (CVSS 8.1) affecting homematic ccu2 firmware, homematic ccu3 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 2.5% (top 15%) |
| CISA exploited list | No |
| Published | 2019-08-13 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2019-14986?
homematic ccu2 firmware: upgrade to 2.3.0; homematic ccu3 firmware: upgrade to 2.3.0. Exact commands for each OS are on this page.
Is CVE-2019-14986 being exploited?
CVE-2019-14986 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-14986 affect?
CVE-2019-14986 affects homematic ccu2 firmware, homematic ccu3 firmware. Severity is high (CVSS 8.1). 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
How urgent is CVE-2019-14986?
Priority 60/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action
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