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CVE-2019-6840

CRITICAL
9.8
CVSS Score
Published: September 17, 2019 at 07:19 PM UTC
Updated: June 17, 2026 at 02:39 AM UTC
9 products affected across 1 vendorMeg6501-0001 FirmwareMeg6260-0410 FirmwareMeg6501-0002 Firmware

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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Meg6260-0410 Firmware· Schneider Electric
95%
v < 1.3.7
Affected range stops below 1.3.7, so it looks safe — our inference, not a vendor statement
schneider-electric-meg6260-0410 (same device)
Meg6260-0415 Firmware· Schneider Electric
95%
v < 1.3.7
Affected range stops below 1.3.7, so it looks safe — our inference, not a vendor statement
schneider-electric-meg6260-0415 (same device)
Meg6501-0001 Firmware· Schneider Electric
95%
v < 1.3.7
Affected range stops below 1.3.7, so it looks safe — our inference, not a vendor statement
schneider-electric-meg6501-0001 (same device)
Meg6501-0002 Firmware· Schneider Electric
95%
v < 1.3.7
Affected range stops below 1.3.7, so it looks safe — our inference, not a vendor statement
schneider-electric-meg6501-0002 (same device)
U.motion Server· Schneider Electric
60%
MEG6260-410 - U.motion KNX Server PlusMEG6260-415 - U.motion KNX Server PlusMEG6501-1 - U.motion KNX serverMEG6501-2 - U.motion KNX Server PlusTouch 10Touch 15
U.motion KNX Server Plus Touch 10 MEG6260-0410· Schneider Electricdevice
80%
All versions
U.motion KNX Server Plus Touch 15 MEG6260-0415· Schneider Electricdevice
80%
All versions
U.motion KNX Server MEG6501-0001· Schneider Electricdevice
80%
All versions
U.motion KNX Server Plus MEG6501-0002· Schneider Electricdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-253-01

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-134

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