CVE-2024-0297: Vulnerability Insights and Analysis

This CVE report addresses a critical vulnerability found in Totolink N200RE version 9.3.5u.6139_B20201216, impacting the UploadFirmwareFile function of the file /cgi-bin/cstecgi.cgi. The vulnerability is classified as an OS command injection with a base severity level of HIGH.

Understanding CVE-2024-0297

This vulnerability in Totolink N200RE 9.3.5u.6139_B20201216 allows for OS command injection via manipulation of the FileName argument in the UploadFirmwareFile function of the file /cgi-bin/cstecgi.cgi. The exploit could be triggered remotely, potentially leading to unauthorized remote access.

What is CVE-2024-0297?

The CVE-2024-0297 vulnerability in Totolink N200RE version 9.3.5u.6139_B20201216 enables malicious actors to inject and execute arbitrary OS commands by tampering with the FileName parameter in the UploadFirmwareFile function of the /cgi-bin/cstecgi.cgi file. This can result in unauthorized access and control over the affected system.

The Impact of CVE-2024-0297

The impact of CVE-2024-0297 is significant, as it poses a serious threat to the security and integrity of Totolink N200RE devices running the affected version. Exploitation of this vulnerability could lead to unauthorized remote access, data leakage, and potential compromise of the entire system's confidentiality, integrity, and availability.

Technical Details of CVE-2024-0297

This section delves into the specific technical aspects of CVE-2024-0297, shedding light on the vulnerability's description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in Totolink N200RE version 9.3.5u.6139_B20201216 allows for OS command injection through the manipulation of the FileName argument in the UploadFirmwareFile function of the /cgi-bin/cstecgi.cgi file. This could be exploited by threat actors to execute arbitrary commands on the affected device.

Affected Systems and Versions

Totolink N200RE devices running version 9.3.5u.6139_B20201216 are impacted by this vulnerability. It is crucial for users of the affected version to take immediate action to mitigate the risks associated with this OS command injection flaw.

Exploitation Mechanism

By sending malicious input to the FileName parameter in the UploadFirmwareFile function of the /cgi-bin/cstecgi.cgi file, attackers can inject and execute unauthorized OS commands on Totolink N200RE devices. This exploitation method allows for remote initiation, making it a critical security concern for affected systems.

Mitigation and Prevention

To address CVE-2024-0297 and enhance the security posture of Totolink N200RE devices, it is essential to implement immediate mitigation steps, adopt long-term security practices, and ensure timely patching and updates.

Immediate Steps to Take

Users of Totolink N200RE version 9.3.5u.6139_B20201216 should disable the affected functionality, apply security patches provided by the vendor, and monitor for any signs of unauthorized access or exploitation attempts on their devices.

Long-Term Security Practices

In the long term, organizations should bolster their network security infrastructure, conduct regular vulnerability assessments, enforce least privilege access controls, educate users on security best practices, and stay informed about emerging threats to prevent similar vulnerabilities in the future.

Patching and Updates

Vendor-released security patches should be applied promptly to address CVE-2024-0297 in Totolink N200RE devices. Regularly updating firmware, implementing security updates, and staying vigilant against potential vulnerabilities are key aspects of maintaining a robust cybersecurity posture.

By following these mitigation strategies and adopting a proactive approach to security, organizations can effectively safeguard their Totolink N200RE devices against the risks posed by CVE-2024-0297.