eQ-3 Homematic CCU3 3.47.15 and prior has Improper Input Validation in function 'Call()'…
Priority LOW 37CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
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 start this attack too.
Why it matters now
EPSS 0.01917 79th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-14474
- 2026-10-03 Alias added: GHSA-v52j-7xj8-6pgc
References
More Eq-3 Ccu3 Firmware vulnerabilities
- TI-2020-10201 eQ-3 Homematic Central Control Unit (CCU)2 through 2.51.6 and CCU3 through 3.51.6 allow… CVSS 3.1CRITICAL 9.8
- TI-2019-07445 eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.15 use session IDs… CVSS 3.0CRITICAL 9.8
- TI-2019-07446 eQ-3 HomeMatic CCU2 devices before 2.41.9 and CCU3 devices before 3.43.16 have buffer… CVSS 3.0CRITICAL 9.8
- TI-2019-07121 Directory Traversal / Arbitrary File Read in eQ-3 AG Homematic CCU3 3.43.15 and earlier… CVSS 3.0HIGH 7.5
- TI-2019-07443 eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.16 use session IDs… CVSS 3.0CRITICAL 9.8
- TI-2019-10792 eQ-3 Homematic CCU2 and CCU3 use session IDs for authentication but lack authorization… CVSS 3.0HIGH 8.8
Sources
- CVE-2019-14474 · CVE Program
- CVE-2019-14474 · NVD
- FIRST EPSS
- GHSA-v52j-7xj8-6pgc · GitHub Advisory Database · CC BY 4.0
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