ThreatsTelecom & MediaCriticalCisco Nexus 9000 Silicon One Switches Exposed to Unauthenticated Root RCECisco disclosed CVE-2026-20212 (CVSS 9.8), an unauthenticated root code execution flaw on Silicon One-based Nexus 9000 datacenter switches due to open debugging ports.Daniel Okafor·3 Sep 2026, 20:30 IST·5 min read