CVE-2026-20212: Cisco Nexus 9000 RCE Flaw
Cisco disclosed CVE-2026-20212, a critical unauthenticated remote code execution flaw in the Silicon One integration of Nexus 9000 switches.
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Cisco Fixed Critical RCE in Nexus 9000 Series Switches
Cisco patched CVE-2026-20212 (CVSS 9.8) in Silicon One-based Nexus 9000 switches, allowing unauthenticated remote root code execution via TCP ports 43210/43211.
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Cisco Nexus 9000 Series Switches Silicon One Remote Code Execution Vulnerability
Cisco patches unauthenticated RCE in Nexus 9000 Silicon One switches exposed via TCP ports 43210 and 43211 in the default L3 VRF.