ABB B&R Automation Runtime contains a critical Improper Resource Locking vulnerability (CVE-2025-3450) within its System Diagnostics Manager (SDM) component. An unauthenticated, remote attacker can exploit this flaw by sending a specially crafted message over the network to delete data, resulting in a denial-of-service condition that halts the affected system node.
CVE-2025-3450
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ABB B&R Automation Runtime DoS Vulnerability in System Diagnostics Manager (SDM)