Predictable Numbers Vulnerability in B&R Industrial Automation Products
CVE-2025-3449

2.3LOW

Key Information:

Vendor

B&r Industrial Automation Gmbh

Status
Automation Runtime
Vendor
CVE Published:
7 October 2025

What is CVE-2025-3449?

A vulnerability in B&R Industrial Automation's Automation Runtime allows for the generation of predictable numbers or identifiers. This could lead to potential security risks, as attackers might exploit these predictable values to gain unauthorized access or manipulate processes within affected versions of the software. Users should take measures to upgrade to version 6.4 or later to mitigate this risk.

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Deploy the Patch

Affected Version(s)

Automation Runtime 6.0 < 6.4

Automation Runtime 4

References

https://www.br-automation.com/fileadmin/SA25P003-178b6a20...

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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