CVE-2026-40851

Command injection via USB

Published May 27, 2026 CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
May 27, 2026, 11:54 AM
Reserved
Apr 15, 2026, 9:33 AM
Status
Deferred
Published
May 27, 2026, 9:16 AM
Modified
Oct 26, 2026, 11:10 AM