CVE-2020-27302

HIGH

Realtek RTL8710 and RTL8195A Firmware - Remote Code Execution via WPA2 4-Way Handshake Encrypted GTK

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://www.vdoo.com/blog/realtek-wifi-vulnerabilities-zero-day

Scores

CVSS v3 8.0
EPSS 0.0201
EPSS Percentile 78.5%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (2)
realtek/rtl8195a_firmware
realtek/rtl8710c_firmware
Published Jun 04, 2021
Tracked Since Feb 18, 2026