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CVE-2026-0229

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 12.1.4, 11.2.10
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Palo Alto Networks Cloud NGFW

    Version range not reported

  • Palo Alto Networks PAN-OS

    From 12.1.0 · fixed in 12.1.4; From 11.2.0 · fixed in 11.2.10

  • Palo Alto Networks Prisma Access

    Version range not reported

References 1

security.paloaltonetworks.com