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    CVE-2021-3774

    Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), on its 3.1.3 version and before, creates an open Wi-Fi Access Point without the required security measures in its initial setup. This could allow a remote attacker to obtain the Wi-Fi SSID as well as the password configured by the user from Meross app via Http/JSON plain request.

    Published:Nov 5, 2021
    Last Modified:Apr 23, 2025
    EPS:Nov 5, 2021
    EPSS Score:0.00151
    CVSS Score:7.4

    Affected Products

    Vendor
    Meross
    Product
    Mss550x
    Vendor
    Meross
    Product
    Mss550x Firmware

    Exploits

    No exploit reference

    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