CVE-2025-55081

CriticalCVSS 9.1/10Last modified Oct 8, 2026

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.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-126CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Oct 15, 2025
Last modified
Oct 8, 2026
NVD status
Analyzed

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CVE-2025-55081: Critical severity, CVSS 9.1 | Vulnix