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OpenAdvisories
High · 7.2 CVE-2023-48695 EUVD-2023-52739

Azure RTOS USBX Remote Code Execution Vulnerability

Published Dec 5, 2023 · Updated May 29, 2025 · Assigned by GitHub_M

Description

Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure RTOS ThreadX. An attacker can cause remote code execution due to out of bounds write vulnerabilities in Azure RTOS USBX. The affected components include functions/processes in host and device classes, related to CDC ECM and RNDIS in RTOS v6.2.1 and below. The fixes have been included in USBX release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

VendorProductAffectedFixed
azure-rtos usbx < 6.3.0 —

References