CVE-2025-55082: Eclipse Threadx Netx Duo

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX, there was a potential out of bound read in _nx_secure_tls_process_clienthello() because of a missing validation of PSK length provided in the user message.

Affected products

• Eclipse Threadx Netx Duo: up to and including 6.4.3

Published 2025-10-15. Last modified 2026-10-08.