Findings

CVE-2026-0243

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 IO…

Published May 13, 2026 · updated Jul 14, 2026 · paloaltonetworks prisma sd-wan

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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 13, 2026 · NIST NVD

    Detected

    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.

  2. Jul 14, 2026 · NIST NVD

    Updated

    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.

Affected

  • cpe paloaltonetworks/prisma sd-wanversion unspecified
  • cpe paloaltonetworks/prisma sd-wan6.3.6
  • cpe paloaltonetworks/prisma sd-wan6.4.3

Sources

  • CVE.orgVulnerability recordCVE-2026-0243

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-0243

    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.

    nvd.nist.gov

References