---
id: CVE-2025-55082
title: >-
  In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX,
  there was a potential out of bound read in
  _nx_secure_tls_process_clienthello() because of a missing validation of PSK
  length provided in the user message.
summary: >-
  In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX,
  there was a potential out of bound read in
  _nx_secure_tls_process_clienthello() because of a missing validation of PSK
  length provided in the user message.
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-125
vendor: eclipse
product: threadx_netx_duo
affected:
  - threadx_netx_duo <= 6.4.3
published: '2025-10-15'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T12:10:00.217'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-55082'
references:
  - url: >-
      https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-8h38-qjhh-mf2h
    label: emo@eclipse.org
tags:
  - nvd
epss: 0.00251
epssPercentile: 0.15219
ingestedAt: '2026-10-08T11:31:27.429Z'
---

## Overview

In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX, there was a potential out of bound read in _nx_secure_tls_process_clienthello() because of a missing validation of PSK length provided in the user message.

## Affected

- `threadx_netx_duo <= 6.4.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
