CVE-2026-40851

High

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.

SeverityHigh
CVSS8.4
Exploit probability—
ProductmbNET/mbNET.rokey
PublishedMay 27, 2026
First seenMay 27, 2026
Weakness typeCWE-1287CWE-1287

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
MB connect line mbNET/mbNET.rokeyv ≤ 8.4.4, 8.4.4—
MB connect line mbNET.miniv ≤ 3.0.2, 3.0.2—
Helmholz REX200/250v ≤ 8.4.4, 8.4.4—
Helmholz REX100v ≤ 3.0.2, 3.0.2—

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CVE-2026-40851 · mbNET/mbNET.rokey · Dark Radar