BaseFortify

Publication date: 2025-10-17

Last updated on: 2025-10-23

Assigner: Eclipse Foundation

Description

In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _ux_host_class_audio_alternate_setting_locate() when parsing a descriptor with attacker-controlled frequency fields.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2025-10-17

Last Modified

2025-10-23

Generated

2026-07-06

AI Q&A

2025-10-17

EPSS Evaluated

2026-07-05

NVD

CVE-2025-55099

EUVD

EUVD-2025-34865

Affected Vendors & Products

Vendor	Product	Version / Range
eclipse	threadx_usbx	to 6.4.3.202503 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out of bound read issue in the USB support module of Eclipse Foundation ThreadX (USBX) before version 6.4.3. It occurs in the function _ux_host_class_audio_alternate_setting_locate() when parsing a descriptor that contains attacker-controlled frequency fields, potentially allowing the software to read memory outside the intended bounds.

Impact Analysis

The vulnerability could lead to unintended memory reads, which might cause application instability or crashes. Although the CVSS score is low (2.4), indicating limited impact, it could potentially be used by an attacker to gain information or cause denial of service in systems using the affected USBX versions.

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