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    CVE-2025-63685

    Quark Cloud Drive v3.23.2 has a DLL Hijacking vulnerability. This vulnerability stems from the insecure loading of system libraries. Specifically, the application does not validate the path or signature of [regsvr32.exe] it loads. An attacker can place a crafted malicious DLL in the application's startup directory, which will be loaded and executed when the user launches the program.

    Published:Nov 20, 2025
    Last Modified:Dec 16, 2025
    EPS:Nov 20, 2025
    EPSS Score:0.00056
    CVSS Score:9.8

    Affected Products

    Vendor
    Quark
    Product
    Cloud Drive
    Vendor
    Quark
    Product
    Quark Cloud Drive

    Exploits

    https://github.com/QIU-DIE/CVE/issues/5

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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