CVE-2026-40851 HIGH

CVE-2026-40851: Command injection via USB

Vendor Mb Connect Line
Product mbNET/mbNET.rokey
Weakness CWE-1287
Published May 27, 2026
Last update May 27, 2026

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 27, 2026 CVE published
May 27, 2026 Record updated