CVE-2026-103416

UNKNOWN 0.0

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Out-of-bounds write via the TLS 1.3 handshake message cache in NetX Duo in Eclipse ThreadX NetX Duo 6.5.1.202602 allows a handshake message larger than the cache writes past it and on into the rest of the session control block, which holds pointers. A malicious or compromised server can make a TLS 1.3 client produce such a message before certificate authentication completes, so no server certificate is needed to reach it.

CWE	CWE-787
Vendor	eclipse foundation
Product	eclipse threadx - netx duo
Published	Oct 7, 2026

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Affected Versions

Eclipse Foundation / Eclipse ThreadX - NetX Duo

0 ≤ 6.5.1.202602

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gitlab.eclipse.org: https://gitlab.eclipse.org/security/cve-assignment/-/work_items/356 github.com: https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-4x76-j955-qhq2

Credits

fdesbiens