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Three Steps to the Terminal: A Siemens ROX II Zero-Day Trilogy
July 17, 2026 · Unit 42 · Severity: CRITICAL
This article presents a technical analysis of three chained zero-day vulnerabilities in Siemens ROX II OT switches. The vulnerabilities allow attackers to escalate privileges and gain persistent root access. The analysis is from Unit 42.
Key Takeaways
- Three chained zero-day vulnerabilities found in Siemens ROX II OT switches.
- The vulnerabilities enable privilege escalation and persistent root access.
- Unit 42 provides technical analysis of the exploit chain.