Do Son OPNsense root RCE flaws are public with PoC code. CVE-2026-57155 (9.9) chains an arbitrary file write to root. Patch 26.1.11 or 26.4.1p1 now.
OPNsense
Urgent: Public PoC for OPNsense CVE-2026-44194 and CVE-2026-45158. Critical flaws allow root command execution via DHCP and User sync. Update to 26.1.8 now!
Public PoC exploit released for OPNsense! A critical root-level RCE and lockout bypass allow total firewall takeover. Upgrade to OPNsense 26.1.7 immediately.
OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases.