CVE-2026-8369

6.0 mediumEPSS 0.2%

Medium (6.0). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

6.0 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2026-05-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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

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