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    CVE-2025-4106

    An authenticated admin user with access to both the management WebUI and command line interface on a Firebox can enable a diagnostic debug shell by uploading a platform and version-specific diagnostic package and executing a leftover diagnostic command.

    Published:Oct 24, 2025
    Last Modified:Aug 8, 2026
    EPS:Oct 24, 2025
    EPSS Score:0.003
    CVSS Score:8.9

    Affected Products

    Vendor
    Watchguard
    Product
    Fireware
    Vendor
    Watchguard
    Product
    Fireware Os

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-489 Active Debug Code

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    CVE-2026-3987 (CVSS 8.6) — A path traversal vulnerability in the Fireware OS Web UI on WatchGuard Firebox systems may allow a privileged …
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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