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.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 11 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Palo Alto Networks cloud Ngfw
Palo Alto Networks prisma Access
Vendors & Products Palo Alto Networks cloud Ngfw
Palo Alto Networks prisma Access

Wed, 11 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 11 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
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.
Title PAN-OS: Denial of Service in Advanced DNS Security Feature
First Time appeared Palo Alto Networks
Palo Alto Networks pan-os
Weaknesses CWE-754
CPEs cpe:2.3:o:palo_alto_networks:pan-os:*:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.0:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.1:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.2:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.3:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.4:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.5:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.6:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.7:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.8:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.9:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.2:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.3:*:*:*:*:*:*:*
Vendors & Products Palo Alto Networks
Palo Alto Networks pan-os
References
Metrics cvssV4_0

{'score': 6.6, '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: palo_alto

Published:

Updated: 2026-02-11T18:58:48.926Z

Reserved: 2025-11-03T20:43:50.406Z

Link: CVE-2026-0229

cve-icon Vulnrichment

Updated: 2026-02-11T18:58:42.955Z

cve-icon NVD

Status : Received

Published: 2026-02-11T18:16:07.897

Modified: 2026-02-11T18:16:07.897

Link: CVE-2026-0229

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-11T21:37:43Z

Weaknesses