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    CVE-2021-35394

    Realtek Jungle SDK version v2.x up to v3.4.14B provides a diagnostic tool called 'MP Daemon' that is usually compiled as 'UDPServer' binary. The binary is affected by multiple memory corruption vulnerabilities and an arbitrary command injection vulnerability that can be exploited by remote unauthenticated attackers.

    Published:Aug 16, 2021
    Last Modified:Nov 7, 2025
    EPS:Aug 16, 2021
    EPSS Score:0.94335
    CVSS Score:9.8

    CISA Notification

    Description

    Realtek Jungle SDK version v2.x up to v3.4.14B provides a diagnostic tool called 'MP Daemon' that is usually compiled as 'UDPServer' binary. The binary is affected by multiple memory corruption vulnerabilities and an arbitrary command injection vulnerability that can be exploited by remote unauthenticated attackers.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Dec 24, 2021
    1722 days ago
    Alert Date
    Dec 10, 2021
    1736 days ago

    Affected Products

    Vendor
    Realtek
    Product
    Rtl819x Jungle Software Development Kit

    Exploits

    https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chainhttps://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chain

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    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