CVE-2026-40851

Command injection via USB

CVSS 8.4 HIGHEPSS 0.1%CWE-1287

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.4EPSS 0.1%KEV nãoPoC —Patch —

Lifecycle

May 27, 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

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References

https://www.certvde.com/en/advisories/VDE-2026-054/