CVE-2026-8369 MEDIUM

CVE-2026-8369: Improper Input Validation in OpenThread NAT64 Translator

Vendor The Openthread Authors
Product OpenThread
Weakness CWE-20 · Input validation
Published May 13, 2026
Last update May 13, 2026
View on NVD All CVEs

CVSS base score

6.0/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Improper Input Validation in the NAT64 translator in The OpenThread Authors OpenThread before commit 26a882d on all platforms allows an attacker on the adjacent IPv4 network to inject corrupted IPv6 packets into the Thread mesh or bypass security checks via crafted IPv4 packets with options.

Key dates

02Disclosure timeline

May 13, 2026 CVE published
May 13, 2026 Record updated