CVE-2025-55084

MEDIUM

Eclipse ThreadX NetX Duo < 6.4.4.202503 - Buffer Over-read in TLS ClientHello Supported Versions Extension

Title source: llm

Description

In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX, there was an incorrect bound check in_nx_secure_tls_proc_clienthello_supported_versions_extension() in the extension version field.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-m474-39rw-v8gm

Scores

CVSS v3 5.3

EPSS 0.0030

EPSS Percentile 21.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-126

Status published

Products (1)

eclipse/threadx_netx_duo < 6.4.4.202503

Published Oct 16, 2025

Tracked Since Feb 18, 2026