Directory Traversal / Arbitrary File Write / Remote Code Execution in the…
Priority HIGH 66CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.
Why it matters now
EPSS 0.3059 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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-2018-7300
- 2026-10-03 Alias added: GHSA-64v8-x795-vgp3
References
Exploit 1
More Eq-3 Homematic Ccu2 Firmware vulnerabilities
- TI-2021-12636 A Remote Code Execution (RCE) vulnerability in the WebUI component of the eQ-3 HomeMatic… CVSS 3.1CRITICAL 10.0
- TI-2019-13655 eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the HM-Print AddOn through 1.2a… CVSS 3.1CRITICAL 9.8
- TI-2019-13654 eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the E-Mail AddOn through 1.6.8.c… CVSS 3.1CRITICAL 9.8
- TI-2019-13653 eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the Script Parser AddOn through 1.8… CVSS 3.1CRITICAL 9.8
- 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-2019-12181 eQ-3 Homematic CCU2 before 2.47.18 and CCU3 before 3.47.18 allow Remote Code Execution by… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2018-7300 · CVE Program
- CVE-2018-7300 · NVD
- FIRST EPSS
- GHSA-64v8-x795-vgp3 · GitHub Advisory Database · CC BY 4.0
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