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CVE-2021-43664 : Exploit Details and Defense Strategies

Discover how the command injection vulnerability in totolink EX300_v2 V4.0.3c.140_B20210429 (CVE-2021-43664) allows unauthorized command execution. Learn about impacts, affected systems, and mitigation steps.

A command injection vulnerability was discovered in totolink EX300_v2 V4.0.3c.140_B20210429, posing a security risk.

Understanding CVE-2021-43664

This CVE relates to a specific vulnerability within totolink EX300_v2 V4.0.3c.140_B20210429.

What is CVE-2021-43664?

The vulnerability discovered in totolink EX300_v2 V4.0.3c.140_B20210429 allows for command injection via the component process forceugpo.

The Impact of CVE-2021-43664

The vulnerability could be exploited by attackers to execute unauthorized commands on affected systems.

Technical Details of CVE-2021-43664

Details of the technical aspects of the CVE.

Vulnerability Description

The vulnerability in totolink EX300_v2 V4.0.3c.140_B20210429 enables malicious actors to inject and execute arbitrary commands using forceugpo.

Affected Systems and Versions

        Affected Product: totolink EX300_v2
        Vulnerable Version: V4.0.3c.140_B20210429

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting malicious commands via the forceugpo component.

Mitigation and Prevention

Measures to address and prevent exploitation of the vulnerability.

Immediate Steps to Take

        Update totolink EX300_v2 firmware to a patched version.
        Restrict network access to vulnerable devices.

Long-Term Security Practices

        Regularly monitor for security updates and patches.
        Implement network segmentation to isolate vulnerable devices.

Patching and Updates

Ensure timely installation of security patches and updates provided by totolink.

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