CVE-2025-55084 MEDIUM

CVE-2025-55084: Out of bound read in _nx_secure_tls_proc_clienthello_supported_versions_extension()

Vendor Eclipse Foundation
Product NetX Duo
Weakness CWE-126
Published October 16, 2025
Last update October 16, 2025

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 16, 2025 CVE published
October 16, 2025 Record updated