Directory Traversal / Arbitrary File Read in eQ-3 AG Homematic CCU3 3.43.15 and earlier…
Priority MEDIUM 49CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.15921 96th 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-2019-9726
- 2026-10-03 Alias added: GHSA-978r-92pj-2f4j
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-2019-07443 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
- TI-2019-07444 On eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.16, automatic… CVSS 3.0HIGH 8.8
Sources
- CVE-2019-9726 · CVE Program
- CVE-2019-9726 · NVD
- FIRST EPSS
- GHSA-978r-92pj-2f4j · GitHub Advisory Database · CC BY 4.0
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