High7.1Palo Alto Networks
Prisma SD-WAN: denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated at…
CVE-2026-0243 Published May 13, 2026Updated by vendor Jun 17, 2026
CVE-2026-0243
Affected products & platforms
Palo Alto NetworksPrisma Access
Summary
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 versions
- Prisma SD-WAN ION 6.5: < 6.5.3-b15
- Prisma SD-WAN ION 6.4: < 6.4.3-b8
- Prisma SD-WAN ION 6.3: < 6.3.6-b10
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
Fixed versions
- Prisma SD-WAN ION >= 6.5.3-b15
- Prisma SD-WAN ION >= 6.4.3-b8
- Prisma SD-WAN ION >= 6.3.6-b10
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Upgrade to a fixed release: Prisma SD-WAN ION >= 6.5.3-b15; Prisma SD-WAN ION >= 6.4.3-b8; Prisma SD-WAN ION >= 6.3.6-b10.
Temporary workarounds
- Disable IPv6 on SD-WAN ION devices if not required.
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
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