---
id: CVE-2025-55091
title: >-
  In 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_ip_packet_receive() function when received an Ethernet with type set as IP
  but no IP data.
summary: >-
  In 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_ip_packet_receive() function when received an Ethernet with type set as IP
  but no IP data.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L'
cwe:
  - CWE-125
  - CWE-126
vendor: eclipse
product: threadx_netx_duo
affected:
  - threadx_netx_duo < 6.4.4.202503
patched:
  - threadx_netx_duo 6.4.4.202503
published: '2025-10-16'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T11:10:00.250'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-55091'
references:
  - url: >-
      https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-pf5q-r6q5-6j2f
    label: emo@eclipse.org
tags:
  - nvd
epss: 0.00369
epssPercentile: 0.28641
ingestedAt: '2026-10-08T11:31:27.451Z'
---

## Overview

In 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_ip_packet_receive() function when received an Ethernet with type set as IP but no IP data.

## Affected

- `threadx_netx_duo < 6.4.4.202503`

## Remediation

Upgrade past the affected range:

- `threadx_netx_duo 6.4.4.202503`