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Palo Alto Networks Firewall Vulnerability Causes Reboot Loop Risk

First seen 12 Feb 2026, 13:29 UTC • Cybersecuritynews

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A critical denial-of-service vulnerability, CVE-2026-0229, has been identified in Palo Alto Networks’ PAN-OS software, affecting the Advanced DNS Security feature. This flaw allows unauthenticated attackers to send malicious packets that can crash firewalls into continuous reboot cycles, impacting enterprise networks. The vulnerability was published on February 11, 2026.

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Timeline

2026-02-11

CVE-2026-0229 published

2026-02-12

Article published detailing the vulnerability

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Palo Alto Networks Firewall Vulnerability Causes Reboot Loop Risk

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