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    CVE-2020-27302

    A stack buffer overflow in Realtek RTL8710 (and other Ameba-based devices) can lead to remote code execution via the "memcpy" function, when an attacker in Wi-Fi range sends a crafted "Encrypted GTK" value as part of the WPA2 4-way-handshake.

    Published:Jun 4, 2021
    Last Modified:Nov 21, 2024
    EPS:Jun 4, 2021
    EPSS Score:0.00365
    CVSS Score:8

    Affected Products

    Vendor
    Realtek
    Product
    Rtl8195a
    Vendor
    Realtek
    Product
    Rtl8195a Firmware
    Vendor
    Realtek
    Product
    Rtl8710c
    Vendor
    Realtek
    Product
    Rtl8710c Firmware

    Exploits

    https://www.vdoo.com/blog/realtek-wifi-vulnerabilities-zero-dayhttps://www.vdoo.com/blog/realtek-wifi-vulnerabilities-zero-day

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2020-27301 (CVSS 8) — A stack buffer overflow in Realtek RTL8710 (and other Ameba-based devices) can lead to remote code execution v…
    CVE-2020-25853 (CVSS 7.5) — The function CheckMic() in the Realtek RTL8195A Wi-Fi Module prior to versions released in April 2020 (up to a…
    CVE-2020-25854 (CVSS 8.1) — The function DecWPA2KeyData() in the Realtek RTL8195A Wi-Fi Module prior to versions released in April 2020 (u…
    CVE-2020-25855 (CVSS 8.1) — The function AES_UnWRAP() in the Realtek RTL8195A Wi-Fi Module prior to versions released in April 2020 (up to…
    CVE-2020-25856 (CVSS 8.1) — The function DecWPA2KeyData() in the Realtek RTL8195A Wi-Fi Module prior to versions released in April 2020 (u…
    CVE-2020-25857 (CVSS 7.5) — The function ClientEAPOLKeyRecvd() in the Realtek RTL8195A Wi-Fi Module prior to versions released in April 20…

    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