Palo Alto Networks Firewall Vulnerability Allows an Attacker to Force Firewalls into a Reboot Loop

A critical denial-of-service (DoS) flaw in Palo Alto Networks’ PAN-OS software could let unauthenticated attackers crash firewalls into endless reboot cycles, potentially crippling enterprise networks. Dubbed CVE-2026-0229, the vulnerability lurks in the Advanced DNS Security (ADNS) feature. An attacker sends a maliciously crafted packet to trigger a system reboot. Repeated exploitation forces the firewall into […]

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