CVE-2026-0243 json
Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet
published 2026-05-13 5 mo ago modified 2026-10-26 14 d ago also EUVD-2026-30135
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 6%
- public exploits
- 0
- none known
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.
Patch / fix
- Palo Alto Networks Prisma SD-WAN ION 5.6.0, 6.1.0, 6.3.6-b10, 6.4.3-b8, 6.5.3-b15, 24.3.6, 25.1.8, 25.3.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.9 | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:U/AU:Y/R:U/V:D/RE:M/U:Amber |
| CNA | 4.0 | 4.9 | CVSS:4.0/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 |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Palo Alto Networks Prisma SD-WAN ION
Classification
- Weakness
-
- CWE-606 Unchecked Input for Loop Condition
References
-
security.paloaltonetworks.com
/CVE-2026-0243
vendor-advisory
Sources
- CVE List CVE-2026-0243
- NVD CVE-2026-0243
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