Vulnerability in Palo Alto Networks Cloud Ngfw
CVE-2026-0229
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.
Published · last modified .
EPSS exploit prediction
EPSS: 0.005 (42.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.005 · change: -0.000
Affected products
- Palo Alto Networks Cloud Ngfw — versions All
- Palo Alto Networks Pan-Os — versions 12.1.0, 11.2.0, 11.1.0
- Palo Alto Networks Prisma Access — versions All
Weakness classification (CWE)
References
- security.paloaltonetworks.com/CVE-2026-0229 (vendor-advisory)