CVE-2026-40852
Command injection via malicious configuration
CVSS Score
7.2
EPSS Score
0.1%
EPSS Percentile
22th
A highly authenticated attacker can alter the config generator injecting a payload into future created configurations. The device is not correctly checking this configuration value before passing it to an system execute leading to code execution. This can result in a total loss of confidentiality, integrity and availability.
| CWE | CWE-78 |
| Vendor | mb connect line |
| Product | mbnet/mbnet.rokey |
| Published | May 27, 2026 |
| Last Updated | May 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
MB connect line / mbNET/mbNET.rokey
0.0.0 ≤ 8.4.4
MB connect line / mbNET.mini
0.0.0 ≤ 3.0.2
MB connect line / mbNET/mbNET.rokey
8.4.4
MB connect line / mbNET.mini
3.0.2
Helmholz / REX200/250
0.0.0 ≤ 8.4.4
Helmholz / REX100
0.0.0 ≤ 3.0.2
Helmholz / REX200/250
8.4.4
Helmholz / REX100
3.0.2
References
Credits
Moritz Abrell from SySS GmbH Christian Zäske from SySS GmbH