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    CVE-2025-68706

    A stack-based buffer overflow exists in the GoAhead-Webs HTTP daemon on KuWFi 4G LTE AC900 devices with firmware 1.0.13. The /goform/formMultiApnSetting handler uses sprintf() to copy the user-supplied pincode parameter into a fixed 132-byte stack buffer with no bounds checks. This allows an attacker to corrupt adjacent stack memory, crash the web server, and (under certain conditions) may enable arbitrary code execution.

    Published:Dec 29, 2025
    Last Modified:Jan 15, 2026
    EPS:Dec 29, 2025
    EPSS Score:0.00096
    CVSS Score:9.8

    Affected Products

    Vendor
    Kuwfi
    Product
    Ac900
    Vendor
    Kuwfi
    Product
    Ac900 Firmware
    Vendor
    Kuwfi
    Product
    Ac900 Router

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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