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    CVE-2018-10561

    An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending "?images" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.

    Published:May 4, 2018
    Last Modified:Nov 5, 2025
    EPS:May 4, 2018
    EPSS Score:0.93196
    CVSS Score:9.8

    CISA Notification

    Description

    An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending "?images" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.

    Required Action:

    The impacted product is end-of-life and should be disconnected if still in use.

    Notes:

    No extra notes provided.

    Due Date
    Apr 21, 2022
    1604 days ago
    Alert Date
    Mar 31, 2022
    1625 days ago

    Affected Products

    Vendor
    Dasannetworks
    Product
    Gpon Router
    Vendor
    Dasannetworks
    Product
    Gpon Router Firmware

    Exploits

    https://www.exploit-db.com/exploits/44576/https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/https://www.exploit-db.com/exploits/44576/https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/https://www.exploit-db.com/exploits/44576

    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