CVE-2025-3450 CRITICAL

CVE-2025-3450: Automation Runtime SDM requests may impact system

Vendor B&R Industrial Automation
Product Automation Runtime
Weakness CWE-413
Published October 7, 2025
Last update October 8, 2025
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 7, 2025 CVE published
October 8, 2025 Record updated