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    CVE-2025-55099

    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.

    Published:Oct 17, 2025
    Last Modified:Oct 23, 2025
    EPS:Oct 17, 2025
    EPSS Score:0.00028
    CVSS Score:6.1

    Affected Products

    Vendor
    Eclipse
    Product
    Threadx Usbx
    Vendor
    Eclipse
    Product
    Usbx

    Exploits

    https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-93mv-fcpr-9488

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2025-55095 (CVSS 4.2) — The function _ux_host_class_storage_media_mount() is responsible for mounting partitions on a USB mass storage…
    CVE-2025-55100 (CVSS 2.4) — In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of boun…
    CVE-2025-55098 (CVSS 1) — In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of boun…
    CVE-2025-55097 (CVSS 2.4) — In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of boun…
    CVE-2025-55096 (CVSS 2.1) — In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of boun…
    CVE-2023-48698 (CVSS 6.8) — Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure…
    CVE-2023-48697 (CVSS 6.4) — Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure…
    CVE-2023-48696 (CVSS 6.7) — Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure…
    CVE-2023-48695 (CVSS 7.3) — Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure…
    CVE-2023-48694 (CVSS 6.8) — Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High