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Three Steps to the Terminal: A Siemens ROX II Zero-Day Trilogy
Three chained zero-day vulnerabilities were discovered in Siemens ROX II operational technology switches that enable privilege escalation and persistent root access when exploited together. The vulnerabilities form a complete attack chain affecting industrial control systems that rely on these network switches. Unit 42 published a technical analysis detailing the flaw sequence.
Why it matters: Organizations operating Siemens ROX II switches face active exploitation risk if these devices are internet-facing or accessible to untrusted networks; patch availability and mitigation steps should be evaluated immediately.
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- First seen by Cybersecurity Tracker