---
id: CVE-2025-55092
title: >-
  In Eclipse Foundation NetX Duo before 6.4.4, the networking support module for
  Eclipse Foundation ThreadX, there was a potential out of bound read issue in
  _nx_ipv4_option_process() when processing an IPv4 packet with the timestamp
  option.
summary: >-
  In Eclipse Foundation NetX Duo before 6.4.4, the networking support module for
  Eclipse Foundation ThreadX, there was a potential out of bound read issue in
  _nx_ipv4_option_process() when processing an IPv4 packet with the timestamp
  option.
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
  - CWE-126
  - CWE-125
vendor: eclipse
product: threadx_netx_duo
affected:
  - threadx_netx_duo < 6.4.4.202503
patched:
  - threadx_netx_duo 6.4.4.202503
published: '2025-10-17'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T10:10:00.193'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-55092'
references:
  - url: >-
      https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-vwh7-h99r-fvwq
    label: emo@eclipse.org
tags:
  - nvd
epss: 0.00331
epssPercentile: 0.24135
ingestedAt: '2026-10-09T12:53:29.108Z'
---

## Overview

In Eclipse Foundation NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _nx_ipv4_option_process() when processing an IPv4 packet with the timestamp option.

## Affected

- `threadx_netx_duo < 6.4.4.202503`

## Remediation

Upgrade past the affected range:

- `threadx_netx_duo 6.4.4.202503`