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    CVE-2026-93865

    A missing authentication vulnerability in the Fireware OS FireCluster synchronization daemon allows a remote, unauthenticated attacker to invoke privileged system-level administrative actions by sending a specially crafted request to the FireCluster management IP when the clustering feature is enabled.

    Published:Oct 27, 2026
    Last Modified:Oct 29, 2026
    EPS:Oct 27, 2026
    EPSS Score:0.00463
    CVSS Score:9.2

    Affected Products

    Vendor
    Watchguard
    Product
    Fireware Os

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-113881 (CVSS 6.1) — A stack-based buffer overflow vulnerability in Fireware OS's VPN Network Access Enforcement process allows an …
    CVE-2026-93434 (CVSS 8.7) — An XPath injection vulnerability in WatchGuard Fireware OS's SSH authentication process allows a remote, unaut…
    CVE-2026-90442 (CVSS 8.6) — A stack-based buffer overflow vulnerability in the Fireware OS certd process allows an authenticated attacker …
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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