CVE-2021-43282 : Vulnerability Insights and Analysis

An issue was discovered on Victure WR1200 devices through 1.0.3, where the default Wi-Fi WPA2 key is exposed through the router's MAC address, making it vulnerable to potential attackers.

Understanding CVE-2021-43282

This CVE identifies a security vulnerability in Victure WR1200 Wi-Fi routers, enabling attackers to obtain the default key through the MAC address.

What is CVE-2021-43282?

The default Wi-Fi WPA2 key of Victure WR1200 routers is openly accessible through the router's MAC address.
Attackers within Wi-Fi scanning range can exploit this issue to retrieve the default Wi-Fi password.

The Impact of CVE-2021-43282

Potential unauthorized access to Wi-Fi networks through the default password.
Compromised network security and privacy of affected users.

Technical Details of CVE-2021-43282

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The default Wi-Fi password is directly linked to the last 4 bytes of the router's MAC address.

Affected Systems and Versions

Victure WR1200 devices up to version 1.0.3 are vulnerable to this issue.

Exploitation Mechanism

Attackers can exploit the vulnerability by scanning for Wi-Fi networks within range to obtain the default key.

Mitigation and Prevention

Protecting against CVE-2021-43282 requires immediate action and long-term security measures.

Immediate Steps to Take

Change the default Wi-Fi password on Victure WR1200 routers.
Limit the Wi-Fi network range to reduce exposure to potential attackers.

Long-Term Security Practices

Regularly update router firmware to patch known vulnerabilities.
Implement strong and unique passwords for Wi-Fi networks.

Patching and Updates

Monitor security advisories for Victure WR1200 routers and apply recommended patches promptly.