Is CVE-2020-27301 actively exploited?

No active exploitation of CVE-2020-27301 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-27301 be exploited remotely?

Partially. CVE-2020-27301 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2020-27301?

CVE-2020-27301 has a CVSS score of 8.0 (HIGH).

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HIGH

CVE-2020-27301

CWE-787Published: June 4, 2021· Updated: Jun 17, 2026

8.0

CVSS v3.1

Official Description

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

NVD Source

Technical Analysis

CVE-2020-27301 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.0.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.