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    2 vulnerabilities by Zblchina

    CVE-2021-47741 (GCVE-0-2021-47741)

    Vulnerability from nvd – Published: 2025-12-31 18:39 – Updated: 2026-01-02 20:06
    VLAI
    Title
    ZBL EPON ONU Broadband Router V100R001 Privilege Escalation via Configuration Endpoint
    Summary
    ZBL EPON ONU Broadband Router V100R001 contains a privilege escalation vulnerability that allows limited administrative users to elevate access by sending requests to configuration endpoints. Attackers can exploit the vulnerability by accessing the configuration backup or password page to disclose the super user password and gain additional privileged functionalities.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-01-02 20:06 UTC
    CWE
    • CWE-522 - Insufficiently Protected Credentials
    Assigner
    References
    Impacted products
    Date Public
    2021-01-31 00:00
    Credits
    LiquidWorm as Gjoko Krstic of Zero Science Lab
    Show details on NVD website
    To clipboard 

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    CVE-2021-47741 (GCVE-0-2021-47741)

    Vulnerability from cvelistv5 – Published: 2025-12-31 18:39 – Updated: 2026-01-02 20:06
    VLAI
    Title
    ZBL EPON ONU Broadband Router V100R001 Privilege Escalation via Configuration Endpoint
    Summary
    ZBL EPON ONU Broadband Router V100R001 contains a privilege escalation vulnerability that allows limited administrative users to elevate access by sending requests to configuration endpoints. Attackers can exploit the vulnerability by accessing the configuration backup or password page to disclose the super user password and gain additional privileged functionalities.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-01-02 20:06 UTC
    CWE
    • CWE-522 - Insufficiently Protected Credentials
    Assigner
    References
    Impacted products
    Date Public
    2021-01-31 00:00
    Credits
    LiquidWorm as Gjoko Krstic of Zero Science Lab
    Show details on NVD website
    To clipboard 

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