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    CVE-2021-31611

    The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not properly handle an out-of-order LMP Setup procedure that is followed by a malformed LMP packet, allowing attackers in radio range to deadlock a device via a crafted LMP packet. The user needs to manually reboot the device to restore communication.

    Published:Sep 7, 2021
    Last Modified:Nov 21, 2024
    EPS:Sep 7, 2021
    EPSS Score:0.00098
    CVSS Score:5.7

    Affected Products

    Vendor
    Zh-jieli
    Product
    Ac6901
    Vendor
    Zh-jieli
    Product
    Ac6901 Firmware
    Vendor
    Zh-jieli
    Product
    Ac6921
    Vendor
    Zh-jieli
    Product
    Ac6921 Firmware
    Vendor
    Zh-jieli
    Product
    Ac6925
    Vendor
    Zh-jieli
    Product
    Ac6925 Firmware
    Vendor
    Zh-jieli
    Product
    Ac6926
    Vendor
    Zh-jieli
    Product
    Ac6926 Firmware
    Vendor
    Zh-jieli
    Product
    Ac6928
    Vendor
    Zh-jieli
    Product
    Ac6928 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-667 Improper Locking

    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