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    CVE-2026-77544

    A malicious actor with access to the network could exploit an Out-of-bounds Write vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.

    Published:Sep 22, 2026
    Last Modified:Sep 29, 2026
    EPS:Sep 22, 2026
    EPSS Score:0.0046
    CVSS Score:7.5

    Affected Products

    Vendor
    Ubiquiti
    Product
    Cloud Gateways
    Vendor
    Ubiquiti
    Product
    Dream Machines
    Vendor
    Ubiquiti
    Product
    Dream Routers
    Vendor
    Ubiquiti
    Product
    Dream Wall
    Vendor
    Ubiquiti
    Product
    Enterprise Firewalls
    Vendor
    Ubiquiti
    Product
    Express
    Vendor
    Ubiquiti
    Product
    Express 7
    Vendor
    Ubiquiti
    Product
    Unifi Gateways

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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