CVE-2026-8369

MEDIUM

Improper Input Validation in OpenThread NAT64 Translator

Title source: cna

Description

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.

References (1)

Core 1

Core References

https://github.com/openthread/openthread/pull/12818

Scores

CVSS v4 6.0

EPSS 0.0016

EPSS Percentile 5.8%

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/E:X/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:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-20

Status published

Products (1)

The OpenThread Authors/OpenThread commit 26a882d

Published May 13, 2026

Tracked Since May 13, 2026