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

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

Positive Technologies (AI Summary)

CVSS v2.0

6.1

Medium

Base vector

AV:A/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Prisma SD-WAN ION devices (affected versions not specified)

Description A denial of service (DoS) issue in Palo Alto Networks Prisma SD-WAN ION devices allows an unauthenticated attacker located on an adjacent network to cause a system disruption. This is achieved by sending a specially crafted IPv6 packet.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-606

Related Identifiers

BDU:2026-07172

CVE-2026-0243

Affected Products

Prisma Sd-Wan Ion

References · 5

• https://bdu.fstec.ru/vul/2026-07172 · Security Note
• https://security.paloaltonetworks.com/CVE-2026-0243 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-0243 · Security Note
• https://twitter.com/CVEnew/status/2054709251520737340 · Twitter Post
• https://t.me/CVEtracker/53683 · Telegram Post