CVE-2026-0229

Medium

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.

SeverityMedium

CVSS6.6

Exploit probability—

Product

Palo Alto Networks Pan-os

PublishedFeb 11, 2026

First seenFeb 11, 2026

Weakness typeCWE-754CWE-754

How to fix

Update

palo_alto_networks pan-os12.1.4, 11.2.10 or later

Vendor advisories

security.paloaltonetworks.com/CVE-2026-0229

Affected products

Product	Affected versions	Fixed in
palo_alto_networks pan-os	12.1.0 ≤ v < 12.1.4, 11.2.0 ≤ v < 11.2.10	12.1.4, 11.2.10

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