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CVE-2026-40851

Command injection via USB

Published: May 27, 2026Updated: May 27, 2026 Sources: CVE List NVD
8.4CVSS
HIGH

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:LAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

Affected Products

mbNET/mbNET.rokey
MB connect line
mbNET.mini
MB connect line
REX200/250
Helmholz
REX100
Helmholz

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

Timeline

Published
May 27, 2026
Last Updated
May 27, 2026

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