CVE-2025-55098
MediumCVSS 6.1Exploitation Probability (EPSS)
Low risk23th percentile - higher than 23% of all known CVEs
Summary
In USBX (USB support module for Eclipse Foundation ThreadX) before version 6.4.3, a potential out-of-bounds read exists in _ux_host_class_audio_device_type_get() when parsing a USB audio device descriptor.
Risk Assessment
A malicious or malformed USB audio device connected to the system can trigger an out-of-bounds memory read, leading to a crash or potentially unauthorized code execution. This affects embedded systems using ThreadX/USBX.
Recommendation
Update USBX to version 6.4.3 or later. Until patched, avoid connecting untrusted USB audio devices to ThreadX-based systems.
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Original NVD description (English source)
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_device_type_get() when parsing a descriptor of an USB audio device.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS