CVE-2026-0229 – PAN-OS: Denial of Service in Advanced DNS Security Feature

CVE ID : CVE-2026-0229

Published : Feb. 11, 2026, 5:56 p.m. | 28 minutes ago

Description : A denial-of-service (DoS) vulnerability in the Advanced DNS Security (ADNS) feature of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode.

Cloud NGFW and Prisma Access® are not impacted by this vulnerability.

Severity: 6.6 | MEDIUM

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