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CVE-2026-0229

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

Published: Feb 11, 2026Updated: Feb 12, 2026 Sources: CVE List NVD BDU csafCWE-754
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.6%
Top 57.9%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LC:NI:NA:H
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
H
Open in CVSS calculator →

Weaknesses

CWE-754

Affected Products

Cloud NGFWPalo Alto NetworksSecurity Products
PAN-OSPalo Alto NetworksSecurity Products
Prisma AccessPalo Alto NetworksSecurity Products
PAN-OSPalo Alto Networks Inc.Security Products
palo alto networkscommercialUSSecurity Productsaka pan-os, prisma access, cloud ngfw
palo alto networks inc.commercialUSSecurity Productsaka paloaltonetworks, pan inc.

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

References

https://security.paloaltonetworks.com/CVE-2026-0229
security.paloaltonetworks.com
https://cert-portal.siemens.com/productcert/csaf/ssa-513708.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-513708.html
cert-portal.siemens.com
and 29 more references View all →

Timeline

Published
Feb 11, 2026
Last Updated
Feb 12, 2026

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