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    CVE-2022-46399

    The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero.

    Published:Dec 19, 2022
    Last Modified:Apr 17, 2025
    EPS:Dec 19, 2022
    EPSS Score:0.00159
    CVSS Score:7.5

    Affected Products

    Vendor
    Microchip
    Product
    Bm64
    Vendor
    Microchip
    Product
    Bm64 Firmware
    Vendor
    Microchip
    Product
    Bm70
    Vendor
    Microchip
    Product
    Bm70 Firmware
    Vendor
    Microchip
    Product
    Bm71
    Vendor
    Microchip
    Product
    Bm71 Firmware
    Vendor
    Microchip
    Product
    Bm77
    Vendor
    Microchip
    Product
    Bm77 Firmware
    Vendor
    Microchip
    Product
    Bm78
    Vendor
    Microchip
    Product
    Bm78 Firmware
    Vendor
    Microchip
    Product
    Bm83
    Vendor
    Microchip
    Product
    Bm83 Firmware
    Vendor
    Microchip
    Product
    Is1870
    Vendor
    Microchip
    Product
    Is1870 Firmware
    Vendor
    Microchip
    Product
    Is1871
    Vendor
    Microchip
    Product
    Is1871 Firmware
    Vendor
    Microchip
    Product
    Pic32cx1012bz25048
    Vendor
    Microchip
    Product
    Pic32cx1012bz25048 Firmware
    Vendor
    Microchip
    Product
    Pic Lightblue Explorer Demo
    Vendor
    Microchip
    Product
    Pic Lightblue Explorer Demo Firmware
    Vendor
    Microchip
    Product
    Rn4678
    Vendor
    Microchip
    Product
    Rn4678 Firmware
    Vendor
    Microchip
    Product
    Rn4870
    Vendor
    Microchip
    Product
    Rn4870 Firmware
    Vendor
    Microchip
    Product
    Rn4871
    Vendor
    Microchip
    Product
    Rn4871 Firmware
    Vendor
    Microchip
    Product
    Wbz451
    Vendor
    Microchip
    Product
    Wbz451 Firmware

    Exploits

    https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYMhttps://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM

    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