CVE-2020-26140 : What You Need to Know

An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The WEP, WPA, WPA2, and WPA3 implementations accept plaintext frames in a protected Wi-Fi network, allowing an adversary to inject arbitrary data frames.

Understanding CVE-2020-26140

This CVE identifies a vulnerability in the ALFA Windows 10 driver that could be exploited by attackers to inject arbitrary data frames into a protected Wi-Fi network.

What is CVE-2020-26140?

The vulnerability in the ALFA Windows 10 driver allows for the acceptance of plaintext frames in secure Wi-Fi networks, enabling unauthorized injection of data frames.

The Impact of CVE-2020-26140

The vulnerability poses a significant security risk as it allows attackers to inject arbitrary data frames into protected Wi-Fi networks, compromising network integrity and potentially leading to unauthorized access.

Technical Details of CVE-2020-26140

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The ALFA Windows 10 driver 6.1316.1209 for AWUS036H fails to properly validate plaintext frames in WEP, WPA, WPA2, and WPA3 implementations, enabling unauthorized data frame injection.

Affected Systems and Versions

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Exploitation Mechanism

Attackers can exploit this vulnerability by sending plaintext frames to the affected Wi-Fi network, allowing them to inject arbitrary data frames without proper authentication.

Mitigation and Prevention

Protecting systems from CVE-2020-26140 requires immediate action and long-term security measures.

Immediate Steps to Take

Disable WEP, WPA, WPA2, and WPA3 protocols if not essential
Monitor network traffic for any suspicious activities
Implement strong encryption and authentication mechanisms

Long-Term Security Practices

Regularly update drivers and firmware to patch known vulnerabilities
Conduct security audits and penetration testing to identify and address potential weaknesses
Educate users on secure Wi-Fi practices and awareness

Patching and Updates

Apply patches and updates provided by the driver vendor to address the vulnerability and enhance network security.