A local attacker can perform a confusion attack on the cfgparser via a specially crafted file on an USB stick leading to code execution. This can result in a total loss of confidentiality, integrity and availability.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00022.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
MB connect line mbNET/mbNET.rokey unaffected
Version Status Constraints
0.0.0 affected ≤ 8.4.4
MB connect line mbNET.mini unaffected
Version Status Constraints
0.0.0 affected ≤ 3.0.2
MB connect line mbNET/mbNET.rokey unaffected
Version Status Constraints
8.4.4 affected —
MB connect line mbNET.mini unaffected
Version Status Constraints
3.0.2 affected —
Helmholz REX200/250 unaffected
Version Status Constraints
0.0.0 affected ≤ 8.4.4
Helmholz REX100 unaffected
Version Status Constraints
0.0.0 affected ≤ 3.0.2
Helmholz REX200/250 unaffected
Version Status Constraints
8.4.4 affected —
Helmholz REX100 unaffected
Version Status Constraints
3.0.2 affected —

No data.

No data.

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No data.

Project Subscriptions

Vendors Products
Helmholz Subscribe
Rex100 Subscribe
Rex200 250 Subscribe
Mb Connect Line Subscribe
Mbnet Subscribe
Mbnet.mini Subscribe
Mbnet Mbnet.rokey Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.certvde.com/en/advisories/VDE-2026-054/ cve-icon cve-icon
History

Wed, 27 May 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 27 May 2026 09:00:00 +0000

Type Values Removed Values Added
Description A local attacker can perform a confusion attack on the cfgparser via a specially crafted file on an USB stick leading to code execution. This can result in a total loss of confidentiality, integrity and availability.
Title Command injection via USB
First Time appeared Helmholz
Helmholz rex100
Helmholz rex200 250
Mb Connect Line
Mb Connect Line mbnet
Mb Connect Line mbnet.mini
Mb Connect Line mbnet Mbnet.rokey
Weaknesses CWE-1287
CPEs cpe:2.3:a:helmholz:rex100:*:*:*:*:*:*:*:*
cpe:2.3:a:helmholz:rex200_250:*:*:*:*:*:*:*:*
cpe:2.3:a:mb_connect_line:mbnet.mini:*:*:*:*:*:*:*:*
cpe:2.3:a:mb_connect_line:mbnet_mbnet.rokey:*:*:*:*:*:*:*:*
cpe:2.3:o:helmholz:rex100:3.0.2:*:*:*:*:*:*:*
cpe:2.3:o:helmholz:rex200_250:8.4.4:*:*:*:*:*:*:*
cpe:2.3:o:mb_connect_line:mbnet.mini:3.0.2:*:*:*:*:*:*:*
cpe:2.3:o:mb_connect_line:mbnet:8.4.4:*:*:*:*:*:*:*
Vendors & Products Helmholz
Helmholz rex100
Helmholz rex200 250
Mb Connect Line
Mb Connect Line mbnet
Mb Connect Line mbnet.mini
Mb Connect Line mbnet Mbnet.rokey
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published:

Updated: 2026-05-27T11:54:33.819Z

Reserved: 2026-04-15T09:33:02.614Z

Link: CVE-2026-40851

cve-icon Vulnrichment

Updated: 2026-05-27T11:54:26.453Z

cve-icon NVD

Status : Deferred

Published: 2026-05-27T09:16:31.687

Modified: 2026-05-27T14:53:22.863

Link: CVE-2026-40851

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-27T10:45:32Z

Weaknesses