PT-2026-40779 · Palo Alto Networks · Prisma Sd-Wan Ion

Published 2026-05-13 · Updated 2026-05-13 · CVE-2026-0243

NVD

CVSS v4.0

4.9

Medium

Base vector

AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/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

A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet.

Fix

Weakness Enumeration

CWE-606

Related Identifiers

CVE-2026-0243

Affected Products

Prisma Sd-Wan Ion

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-0243 · Security Note
• https://security.paloaltonetworks.com/CVE-2026-0243 · Vendor Advisory