CVE-2025-55084: threadx netx duo — Fix

Description

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.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-126 CWE-126

Affected Products

Vendor	Product	Versions
eclipse	threadx_netx_duo	< 6.4.4.202503

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2025-55084? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-55084? +

CVE-2025-55084 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-55084? +

CVE-2025-55084 affects products from eclipse, specifically: threadx_netx_duo. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-55084? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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