---
id: CVE-2026-102719
title: Predictable DTLS HelloVerifyRequest Cookie in NetX Secure
summary: Predictable DTLS HelloVerifyRequest Cookie in NetX Secure
severity: medium
cvss: 6.3
cvssVector: 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'
cwe:
  - CWE-330
vendor: Eclipse Foundation
product: netxduo
affected:
  - netxduo <= 6.5.1
published: '2026-09-29'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T19:17:21.067'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102719'
references:
  - url: >-
      https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-j6gx-3j6v-3hm4
    label: emo@eclipse.org
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-29T18:39:04.305372Z'
cvssSource: cna
ingestedAt: '2026-09-29T18:42:35.815Z'
---

## Overview

Predictable DTLS HelloVerifyRequest Cookie in NetX Secure

## Remediation

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