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    CVE-2025-34071

    A remote code execution vulnerability in GFI Kerio Control 9.4.5 allows attackers with administrative access to upload and execute arbitrary code through the firmware upgrade feature. The system upgrade mechanism accepts unsigned .img files, which can be modified to include malicious scripts within the upgrade.sh or disk image components. These modified upgrade images are not validated for authenticity or integrity, and are executed by the system post-upload, enabling root access.

    Published:Jul 2, 2025
    Last Modified:Feb 26, 2026
    EPS:Jul 2, 2025
    EPSS Score:0.00891
    CVSS Score:9.8

    Affected Products

    Vendor
    Gfi
    Product
    Kerio Control

    Exploits

    https://ssd-disclosure.com/ssd-advisory-kerio-control-authentication-bypass-and-rce/

    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