CVE-2026-0229 MEDIUM

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

Vendor Palo Alto Networks
Product PAN-OS
Weakness CWE-754
Published February 11, 2026
Last update February 11, 2026
View on NVD All CVEs

CVSS base score

6.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U/V:D/RE:M/U:Amber

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 11, 2026 CVE published
February 11, 2026 Record updated