Cisco has released patches to address a critical security flaw affecting 10 Silicon One-based Nexus 9000 switches that could allow an unauthenticated, remote attacker to execute code as root, alongside an IOS XR hardening release bundling 7 umbrella CVEs, 2 of which are rated 9.8, with no workaround for any IOS XR version.

The Nexus vulnerability, tracked as CVE-2026-20212 (CVSS score: 9.8), is



Source: TheHackerNews
Source Link: https://thehackernews.com/2026/09/critical-cisco-nexus-9000-flaw-lets.html