CVE-2026-0243

UNKNOWN 0.0

Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-606
Vendor	palo alto networks
Product	prisma sd-wan ion
Published	May 13, 2026

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Affected Versions

Palo Alto Networks / Prisma SD-WAN ION

6.5.0 < 25.3.3 6.4.0 < 25.1.8 6.3.0 < 24.3.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

security.paloaltonetworks.com: https://security.paloaltonetworks.com/CVE-2026-0243

Credits

Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue.