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    CVE-2021-38703

    Wireless devices running certain Arcadyan-derived firmware (such as KPN Experia WiFi 1.00.15) do not properly sanitise user input to the syslog configuration form. An authenticated remote attacker could leverage this to alter the device configuration and achieve remote code execution. This can be exploited in conjunction with CVE-2021-20090.

    Published:Sep 1, 2021
    Last Modified:Nov 21, 2024
    EPS:Sep 1, 2021
    EPSS Score:0.08251
    CVSS Score:8.8

    Affected Products

    Vendor
    Kpn
    Product
    Experia Wifi
    Vendor
    Kpn
    Product
    Experia Wifi Firmware

    Exploits

    https://7bits.nl/journal/posts/cve-2021-38703-kpn-experia-wifi-root-shell/https://7bits.nl/journal/posts/cve-2021-38703-kpn-experia-wifi-root-shell/

    Common Weakness Enumeration

    No CWE recorded yet

    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