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    CVE-2025-3820

    A vulnerability was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644) and classified as critical. Affected by this issue is the function cgiSysUplinkCheckSet of the file /bin/httpd. The manipulation of the argument hostIp1/hostIp2 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

    Published:Apr 19, 2025
    Last Modified:Jul 30, 2025
    EPS:Apr 19, 2025
    EPSS Score:0.00108
    CVSS Score:8.8

    Affected Products

    Vendor
    Tenda
    Product
    I24
    Vendor
    Tenda
    Product
    I24 Firmware
    Vendor
    Tenda
    Product
    W12
    Vendor
    Tenda
    Product
    W12 Firmware

    Exploits

    https://github.com/02Tn/vul/issues/4

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    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