CVE-2022-34576 Explained : Impact and Mitigation

A vulnerability in /cgi-bin/ExportAllSettings.sh of WAVLINK WN535 G3 M35G3R.V5030.180927 allows attackers to execute arbitrary code via a crafted POST request.

Understanding CVE-2022-34576

This CVE identifies a vulnerability in WAVLINK WN535 G3 devices that can be exploited by attackers to execute malicious code.

What is CVE-2022-34576?

The CVE-2022-34576 vulnerability pertains to a specific script within WAVLINK WN535 G3 routers, enabling threat actors to run arbitrary code through a carefully constructed POST request.

The Impact of CVE-2022-34576

Exploitation of this vulnerability can lead to unauthorized execution of code, potentially resulting in serious security breaches and compromise of sensitive information.

Technical Details of CVE-2022-34576

Detailed technical information about the vulnerability includes:

Vulnerability Description

The flaw exists in the /cgi-bin/ExportAllSettings.sh script of WAVLINK WN535 G3 M35G3R.V5030.180927, allowing threat actors to execute arbitrary code.

Affected Systems and Versions

The vulnerability affects WAVLINK WN535 G3 routers with version M35G3R.V5030.180927.

Exploitation Mechanism

Attackers exploit the vulnerability by sending a specifically crafted POST request to the /cgi-bin/ExportAllSettings.sh script.

Mitigation and Prevention

To address CVE-2022-34576, consider the following mitigation strategies:

Immediate Steps to Take

Disable remote access to the /cgi-bin/ExportAllSettings.sh script.
Implement network segmentation to restrict access to vulnerable devices.

Long-Term Security Practices

Regularly update the firmware of WAVLINK WN535 G3 devices to patch known vulnerabilities.
Monitor network traffic for any suspicious activities that may indicate exploitation attempts.

Patching and Updates

Stay informed about security updates released by WAVLINK for the affected devices and apply patches promptly to ensure protection against potential threats.