eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the HM-Print AddOn through 1.2a…
Priority HIGH 70CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the HM-Print AddOn through 1.2a installed allow Remote Code Execution by unauthenticated attackers with access to the web interface via the exec.cgi and exec1.cgi scripts, which execute TCL script content from an HTTP POST request.
Why it matters now
EPSS 0.40785 98th 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
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hm-print_project:hm-print:1.2a:*:*:*:*:*:*:* | 1.2a | Vulnerable | Hm-print Project |
| cpe:2.3:h:eq-3:homematic_ccu2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Eq-3 |
| cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.47.20:*:*:*:*:*:*:* | 2.47.20 | Vulnerable | Eq-3 |
| cpe:2.3:a:hm-print_project:hm-print:1.2:*:*:*:*:*:*:* | 1.2 | Vulnerable | Hm-print Project |
| cpe:2.3:h:eq-3:homematic_ccu3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Eq-3 |
| cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.47.18:*:*:*:*:*:*:* | 3.47.18 | Vulnerable | Eq-3 |
- cpe:2.3:a:hm-print_project:hm-print:1.2a:*:*:*:*:*:*:* Versions 1.2a Vulnerable ·Hm-print Project
- cpe:2.3:h:eq-3:homematic_ccu2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Eq-3
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.47.20:*:*:*:*:*:*:* Versions 2.47.20 Vulnerable ·Eq-3
- cpe:2.3:a:hm-print_project:hm-print:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·Hm-print Project
- cpe:2.3:h:eq-3:homematic_ccu3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Eq-3
- cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.47.18:*:*:*:*:*:*:* Versions 3.47.18 Vulnerable ·Eq-3
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-18939
- 2026-10-03 Alias added: GHSA-rgpm-vm97-966x
References
Sources
- CVE-2019-18939 · CVE Program
- CVE-2019-18939 · NVD
- FIRST EPSS
- GHSA-rgpm-vm97-966x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences