---
id: CVE-2025-55094
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_icmpv6_validate_options() when handling a packet with ICMP6 options.
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_icmpv6_validate_options() when handling a packet with ICMP6 options.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - 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-2025-55094'
references:
  - url: >-
      https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-rf32-h832-hg8r
    label: emo@eclipse.org
tags:
  - nvd
epss: 0.0041
epssPercentile: 0.33177
ingestedAt: '2026-10-09T12:53:29.110Z'
---

## 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_icmpv6_validate_options() when handling a packet with ICMP6 options.

## Affected

- `threadx_netx_duo < 6.4.4.202503`

## Remediation

Upgrade past the affected range:

- `threadx_netx_duo 6.4.4.202503`