Claroty researchers disclosed two critical vulnerabilities (CVE-2025-46412 and CVE-2025-41426) in Vertiv Liebert UPS network management cards—an authentication bypass and remote code execution flaw—allowing attackers to disrupt data center operations. UPS systems are essential infrastructure protecting critical equipment during power outages, making these communication modules a significant operational risk if compromised. Vertiv released firmware updates, but organizations running Liebert RDU101 and IS-UNITY devices must patch immediately given the severity and impact on critical power infrastructure.
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