A Format String: CWE-134 vulnerability exists in U.motion Server (MEG6501-0001 - U.motion…
Priority MEDIUM 44CWE-134Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- 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-134 and the CVSS impact.
Summary
A Format String: CWE-134 vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server, MEG6501-0002 - U.motion KNX Server Plus, MEG6260-0410 - U.motion KNX Server Plus, Touch 10, MEG6260-0415 - U.motion KNX Server Plus, Touch 15), which could allow an attacker to send a crafted message to the target server, thereby causing arbitrary commands to be executed.
Why it matters now
EPSS 0.01149 67th percentileScored 2026-11-07
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 |
|---|---|---|---|---|---|
| Schneider Electric | U.motion Server | MEG6501-0001 - U.motion KNX server; MEG6501-0002 - U.motion KNX Server Plus; MEG6260-0410 - U.motion KNX Server Plus; Touch 10; MEG6260-0415 - U.motion KNX Server Plus; Touch 15 | — | No fix listed | CNA |
- U.motion Server VendorSchneider Electric Affected MEG6501-0001 - U.motion KNX server; MEG6501-0002 - U.motion KNX Server Plus; MEG6260-0410 - U.motion KNX Server Plus; Touch 10; MEG6260-0415 - U.motion KNX Server Plus; Touch 15 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:schneider-electric:meg6501-0001_firmware:*:*:*:*:*:*:*:* | before 1.3.7 | Vulnerable | Schneider Electric |
| cpe:2.3:o:schneider-electric:meg6501-0001:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:meg6501-0002_firmware:*:*:*:*:*:*:*:* | before 1.3.7 | Vulnerable | Schneider Electric |
| cpe:2.3:o:schneider-electric:meg6501-0002:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:meg6260-0410_firmware:*:*:*:*:*:*:*:* | before 1.3.7 | Vulnerable | Schneider Electric |
| cpe:2.3:o:schneider-electric:meg6260-0410:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:meg6260-0415_firmware:*:*:*:*:*:*:*:* | before 1.3.7 | Vulnerable | Schneider Electric |
| cpe:2.3:o:schneider-electric:meg6260-0415:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:schneider-electric:meg6501-0001_firmware:*:*:*:*:*:*:*:* Versions before 1.3.7 Vulnerable ·Schneider Electric
- cpe:2.3:o:schneider-electric:meg6501-0001:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:meg6501-0002_firmware:*:*:*:*:*:*:*:* Versions before 1.3.7 Vulnerable ·Schneider Electric
- cpe:2.3:o:schneider-electric:meg6501-0002:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:meg6260-0410_firmware:*:*:*:*:*:*:*:* Versions before 1.3.7 Vulnerable ·Schneider Electric
- cpe:2.3:o:schneider-electric:meg6260-0410:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:meg6260-0415_firmware:*:*:*:*:*:*:*:* Versions before 1.3.7 Vulnerable ·Schneider Electric
- cpe:2.3:o:schneider-electric:meg6260-0415:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-6840
- 2026-10-03 Alias added: GHSA-j26m-33c4-8m5q
References
More Schneider Electric Meg6260-0410 Firmware vulnerabilities
- TI-2019-04870 Server-side request forgery in CVE-2019-6837 U.motion Server CVSS 3.1CRITICAL 9.1
- TI-2019-04872 Unrestricted file upload in U.motion Servers CVSS 3.1HIGH 8.8
- TI-2019-04869 Incorrect authorization in U.motion Servers CVSS 3.1HIGH 7.5
- TI-2019-04871 Incorrect authorization in U.motion Servers CVSS 3.1MEDIUM 6.5
- TI-2019-04868 Cross-site scripting in Schneider Electric U.motion Server CVSS 3.1MEDIUM 5.4
Sources
- CVE-2019-6840 · CVE Program
- CVE-2019-6840 · NVD
- FIRST EPSS
- GHSA-j26m-33c4-8m5q · 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