CVE-2025-3449
Medium
Description
A Generation of Predictable Numbers or Identifiers vulnerability in the SDM component of B&R Automation Runtime versions before 6.4 may allow an unauthenticated network-based attacker to take over already established sessions.
SeverityMedium
CVSS4.2
Exploit probability—
ProductAutomation Runtime
PublishedOct 7, 2025
First seenOct 7, 2025
Weakness typeCWE-340CWE-340
How to fix
Update
- B&R Industrial Automation GmbH Automation Runtime6.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| B&R Industrial Automation GmbH Automation Runtime | 6.0 ≤ v < 6.4, 4 | 6.4 |
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