#network

3 articles

Security Alerts Sep 2, 2026

CVE-2026-20212: unauthenticated root code execution in Cisco Nexus 9000 switches

TCP ports 43210 and 43211 of the Silicon One integration are reachable in the default Layer 3 VRF, letting an unauthenticated attacker execute code with root privileges on the switch...

Security Alerts Sep 2, 2026

CVE-2026-20274 and CVE-2026-20279: Cisco IOS XR hardening release — no workarounds

Cisco published IOS XR hardening releases closing seven vulnerability classes found in its own code review — all releases are affected, regardless of device configuration...

Security Alerts Aug 27, 2026

UniFi OS: 12 Vulnerabilities Including Authentication Bypass (CVE-2026-77550)

Ubiquiti published a bulletin covering 12 vulnerabilities in UniFi OS and UniFi applications. The most severe lets an attacker with network access bypass authentication on UniFi OS devices...