CVE-2025-3450 Automation Runtime SDM requests may impact system
Unauthenticated attackers can exploit improper resource locking in B&R Automation Runtime to delete data and cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3450?
CVE-2025-3450 is a critical vulnerability in B&R Industrial Automation Automation Runtime, published on 7 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-413
Which versions are affected by CVE-2025-3450?
How do I fix CVE-2025-3450?
No fix has been published for CVE-2025-3450 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-3450 being exploited?
There is no known exploitation of CVE-2025-3450 in the wild and no public exploit code.
Sources
Also known as GHSA-q6v3-r63x-q74w.