CVE-2025-55081 - CVE House

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Status published Medium CVE-2025-55081

Potential out of bound read in _nx_secure_tls_process_clienthello()

6.9 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Ilja van Sprundel
Justin-Stauffer

References

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-5vrv-8j5h-h6h6

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Affected Vendor

Eclipse Foundation

View all reports →

Affected Software

NetX Duo

Vulnerable Versions:

0

Timeline

Official Publish: October 15th, 2025

Last Modified: October 15th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1005 Data from Local System

T1552 Unsecured Credentials

Credential Access

T1040 Network Sniffing

T1499 Endpoint Denial of Service