CVE-2026-40852
Authenticated Config Generator Code Execution in Industrial Device
Publication date: 2026-05-27
Last updated on: 2026-05-27
Assigner: CERT VDE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mb_connect_line | mbnet | 8.4.5 |
| mb_connect_line | mbnet_rokey | 8.4.5 |
| mb_connect_line | mbnet_mini | 3.0.3 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-78 | The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability allows a highly authenticated attacker to modify the configuration generator by injecting a malicious payload into configurations that will be created in the future.
The device fails to properly validate this configuration value before executing it in the system, which leads to arbitrary code execution.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
This vulnerability can lead to a total loss of confidentiality, integrity, and availability due to code execution caused by improper configuration validation.
Such a loss of security properties can negatively impact compliance with common standards and regulations like GDPR and HIPAA, which require protection of sensitive data and system integrity.
How can this vulnerability impact me? :
Exploitation of this vulnerability can result in a total loss of confidentiality, integrity, and availability of the affected system.