What’s Vulnerable › Vulnerabilities
CVE-2025-3450: Automation Runtime SDM requests may impact system
- Severity: critical (CVSS 10.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-10-07 · updated 2026-10-18
- Weakness: CWE-413
Description
An Improper Resource Locking vulnerability in the SDM component of B&R Automation Runtime versions before 6.3 and before Q4.93 may allow an unauthenticated network-based attacker to delete data causing denial of service conditions.
Affected products
- B&R Industrial Automation Automation Runtime: from 6.0 before 6.3; from 4.0 before Q4.93 — fixed in 6.3, Q4.93
How to fix
Upgrade to a fixed version: B&R Industrial Automation Automation Runtime 6.3, Q4.93. Check the vendor advisory for mitigations.
References
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