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    CVE-2025-40604

    Download of Code Without Integrity Check Vulnerability in the SonicWall Email Security appliance loads root filesystem images without verifying signatures, allowing attackers with VMDK or datastore access to modify system files and gain persistent arbitrary code execution.

    Published:Nov 20, 2025
    Last Modified:Feb 26, 2026
    EPS:Nov 20, 2025
    EPSS Score:0.00027
    CVSS Score:6.5

    Affected Products

    Vendor
    Sonicwall
    Product
    Email Security
    Vendor
    Sonicwall
    Product
    Email Security Appliance 5000
    Vendor
    Sonicwall
    Product
    Email Security Appliance 5000 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Appliance 5050
    Vendor
    Sonicwall
    Product
    Email Security Appliance 5050 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Appliance 7000
    Vendor
    Sonicwall
    Product
    Email Security Appliance 7000 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Appliance 7050
    Vendor
    Sonicwall
    Product
    Email Security Appliance 7050 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Appliance 9000
    Vendor
    Sonicwall
    Product
    Email Security Appliance 9000 Firmware

    Exploits

    No exploit reference

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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