CVE-2025-55081

CRITICAL

Eclipse Foundation NextX Duo <6.4.4 - Buffer Overflow

Title source: llm
STIX 2.1

Description

In Eclipse Foundation NextX Duo before 6.4.4, a module of ThreadX, the _nx_secure_tls_process_clienthello() function was missing length verification of certain SSL/TLS client hello message: the ciphersuite length and compression method length. In case of an attacker-crafted message with values outside of the expected range, it could cause an out-of-bound read.

Scores

CVSS v3 9.1
EPSS 0.0006
EPSS Percentile 19.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-125 CWE-126
Status published
Products (1)
eclipse/threadx_netx_duo < 6.4.4.202503
Published Oct 15, 2025
Tracked Since Feb 18, 2026