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    1 vulnerability by www.huawei.com

    CVE-2020-37220 (GCVE-0-2020-37220)

    Vulnerability from cvelistv5 – Published: 2026-05-13 14:22 – Updated: 2026-05-26 11:51
    VLAI
    Title
    Huawei HG630 V2 Router Authentication Bypass via Serial Number
    Summary
    Huawei HG630 V2 router contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain administrative access by retrieving the device serial number. Attackers can query the /api/system/deviceinfo endpoint without authentication to extract the SerialNumber field, then use the last 8 characters as the default password to log in to the router.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-798 - Use of Hard-coded Credentials
    Assigner
    References
    Impacted products
    Date Public
    2020-04-13 00:00
    Credits
    Eslam Medhat
    Show details on NVD website
    To clipboard 

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