{"id":"CVE-2026-0229","aliases":["EUVD-2026-5938","GHSA-cpfh-q3v8-wj73"],"status":"published","title":"PAN-OS: Denial of Service in Advanced DNS Security Feature","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.\n\nCloud NGFW and Prisma Access® are not impacted by this vulnerability.","severity":{"version":"4.0","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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00569,"percentile":0.47628,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-754"],"published":"2026-02-11T17:56:09Z","modified":"2026-06-17T10:10:34Z","products":[{"vendor":"palo alto networks","product":"cloud ngfw"},{"vendor":"palo alto networks","product":"pan-os"},{"vendor":"palo alto networks","product":"prisma access"}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2026-0229","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0229"},{"url":"https://github.com/advisories/GHSA-cpfh-q3v8-wj73"}],"sources":{"cve":[{"id":"CVE-2026-0229","title":"PAN-OS: Denial of Service in Advanced DNS Security Feature","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.\n\nCloud NGFW and Prisma Access® are not impacted by this vulnerability.","status":"published","published":"2026-02-11T17:56:09.27Z","modified":"2026-02-11T18:58:48.926Z","cvss":[{"version":"4.0","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","level":"medium","assessor":"cna"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:20:13.587351Z"}],"euvd":[{"id":"EUVD-2026-5938","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.\n\nCloud NGFW and Prisma Access® are not impacted by this vulnerability.","status":"published","published":"2026-02-11T17:56:09Z","modified":"2026-02-11T18:58:48Z","cvss":[{"version":"4.0","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","level":"medium"}],"updated_at":"2026-11-02T19:48:40.797648Z"}],"ghsa":[{"id":"GHSA-cpfh-q3v8-wj73","title":"A denial-of-service (DoS) vulnerability in the Advanced DNS Security (ADNS) feature of Palo Alto...","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.\n\nCloud NGFW and Prisma Access® are not impacted by this vulnerability.","status":"published","published":"2026-02-11T18:31:31Z","modified":"2026-02-11T18:31:37Z","cvss":[{"version":"4.0","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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:D/RE:M/U:Amber","level":"medium"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T15:06:09.03825Z"}],"nvd":[{"id":"CVE-2026-0229","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.\n\nCloud NGFW and Prisma Access® are not impacted by this vulnerability.","status":"published","published":"2026-02-11T18:16:07.897Z","modified":"2026-06-17T10:10:34.2Z","cvss":[{"version":"4.0","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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:D/RE:M/U:Amber","level":"medium","assessor":"secondary"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:12:05.908608Z"}]}}