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    CVE-2021-28152

    Hongdian H8922 3.0.5 devices have an undocumented feature that allows access to a shell as a superuser. To connect, the telnet service is used on port 5188 with the default credentials of root:superzxmn.

    Published:May 6, 2021
    Last Modified:Nov 21, 2024
    EPS:May 6, 2021
    EPSS Score:0.37467
    CVSS Score:9.8

    Affected Products

    Vendor
    Hongdian
    Product
    H8922
    Vendor
    Hongdian
    Product
    H8922 Firmware

    Exploits

    https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    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