CVE-2025-55100: Eclipse Threadx Usbx

Critical severity, CVSS 9.1. EPSS: 0.6% chance of exploitation in the next 30 days.

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_audio10_sam_parse_func() when parsing a list of sampling frequencies.

Affected products

• Eclipse Threadx Usbx: before 6.4.3.202503 (fixed in 6.4.3.202503)

Published 2025-10-17. Last modified 2026-10-09.