John Z Black

Hidden Admin Surfaces Are Still the Fastest Way In

John Z Black Mar 21, 2026

Vulnerabilities & Patching #ip-kvm #telnetd #remote-management #attack-surface #hardening

Fresh KVM and telnetd exposure reporting shows old management interfaces remain high-impact attack shortcuts.

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The Next Enterprise Exposure Wave: Old Management Surfaces, New Root Paths

John Z Black Mar 18, 2026

Security Operations & Resilience #management-plane #ip-kvm #telnet #linux #root-access #hardening #attack-surface

An unpatched telnetd with unauthenticated root RCE. Nine critical IP-KVM flaws. A Linux privilege escalation tied to systemd timing. Different CVEs, same underlying problem: forgotten management plumbing.

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