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CVE-2025-55084 - Eclipse Threadx Netx Duo

October 16, 2025

Moderate 5.3

In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX, there was an incorrect bound check in_nx_secure_tls_proc_clienthello_supported_versions_extension() in the extension version field.

Affected software

Eclipse Threadx Netx Duo

Reference links

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-m474-39rw-v8gm

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