CVE-2024-0299: Exploit Details and Defense Strategies

This article provides detailed information about CVE-2024-0299, a critical vulnerability found in Totolink N200RE 9.3.5u.6139_B20201216 that allows for OS command injection through the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi.

Understanding CVE-2024-0299

CVE-2024-0299 is a critical vulnerability in Totolink N200RE 9.3.5u.6139_B20201216 that enables attackers to perform OS command injection remotely. The vulnerability affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi.

What is CVE-2024-0299?

A vulnerability has been discovered in Totolink N200RE 9.3.5u.6139_B20201216, allowing for OS command injection through the manipulation of the argument command in the setTracerouteCfg function of the file /cgi-bin/cstecgi.cgi. This critical vulnerability has a base score of 7.3 (High) according to CVSS v3.1.

The Impact of CVE-2024-0299

The manipulation of the argument command in the affected function can lead to unauthorized OS command execution, posing a significant security risk. Attackers can exploit this vulnerability remotely, potentially compromising the integrity, confidentiality, and availability of the system.

Technical Details of CVE-2024-0299

CVE-2024-0299 allows for remote OS command injection in Totolink N200RE 9.3.5u.6139_B20201216 through the setTracerouteCfg function of the file /cgi-bin/cstecgi.cgi.

Vulnerability Description

The vulnerability arises from the improper handling of user-supplied data in the command argument, enabling attackers to inject and execute arbitrary OS commands.

Affected Systems and Versions

The vulnerability affects Totolink N200RE version 9.3.5u.6139_B20201216.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by manipulating the command argument in the setTracerouteCfg function of the /cgi-bin/cstecgi.cgi file.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risk posed by CVE-2024-0299 and implement long-term security practices to prevent similar vulnerabilities in the future.

Immediate Steps to Take

Consider blocking access to the affected function or file until a patch is available.
Stay informed about security updates from Totolink and apply patches promptly.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement network segmentation and access controls to limit exposure to potential threats.

Patching and Updates

Keep track of security advisories from Totolink and apply recommended patches or updates as soon as they are released to mitigate the risk associated with CVE-2024-0299.