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    CVE-2025-66678

    An issue in the HwRwDrv.sys component of Nil Hardware Editor Hardware Read & Write Utility v1.25.11.26 and earlier allows attackers to execute arbitrary read and write operations via a crafted request.

    Published:Mar 4, 2026
    Last Modified:Mar 9, 2026
    EPS:Mar 4, 2026
    EPSS Score:0.00046
    CVSS Score:9.8

    Affected Products

    Vendor
    Faintsnow
    Product
    Hardware Read \& Write Utility
    Vendor
    Faintsnow
    Product
    Nil Hardware Editor Hardware Read & Write Utility

    Exploits

    https://github.com/cwjchoi01/CVE-2025-66678https://github.com/cwjchoi01/CVE-2025-66678

    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