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    CVE-2022-28377

    On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and ODU RPC endpoints rely on a static account username/password for access control. This password can be generated via a binary included in the firmware, after ascertaining the MAC address of the IDU's base Ethernet interface, and adding the string DEVICE_MANUFACTURER='Wistron_NeWeb_Corp.' to /etc/device_info to replicate the host environment. This occurs in /etc/init.d/wnc_factoryssidkeypwd (IDU).

    Published:Jul 14, 2022
    Last Modified:Nov 21, 2024
    EPS:Jul 14, 2022
    EPSS Score:0.00286
    CVSS Score:7.5

    Affected Products

    Vendor
    Verizon
    Product
    Lvskihp Indoorunit
    Vendor
    Verizon
    Product
    Lvskihp Indoorunit Firmware
    Vendor
    Verizon
    Product
    Lvskihp Outdoorunit
    Vendor
    Verizon
    Product
    Lvskihp Outdoorunit Firmware

    Exploits

    https://github.com/JousterL/SecWriteups/blob/main/Verizon%20LVSKIHP%205G%20Modem/readme.mdhttps://github.com/JousterL/SecWriteups/blob/main/Verizon%20LVSKIHP%205G%20Modem/readme.md

    Common Weakness Enumeration

    CWE-521 Weak Password Requirements

    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