CVE-2023-7218 : Security Advisory and Response

This article provides detailed information about CVE-2023-7218, a critical vulnerability found in Totolink N350RT 9.3.5u.6139_B202012, impacting the loginAuth function of the file /cgi-bin/cstecgi.cgi.

Understanding CVE-2023-7218

This section delves into the specifics of CVE-2023-7218, including what the vulnerability entails and its potential impact.

What is CVE-2023-7218?

CVE-2023-7218 is a critical vulnerability in Totolink N350RT 9.3.5u.6139_B202012, specifically affecting the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password can lead to a stack-based buffer overflow, allowing remote attacks to occur.

The Impact of CVE-2023-7218

Given the critical nature of this vulnerability, if exploited successfully, malicious actors can execute remote attacks on affected systems. The severity of this vulnerability is rated as HIGH, with a CVSS base score of 7.2.

Technical Details of CVE-2023-7218

This section will provide more technical insights into CVE-2023-7218, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in Totolink N350RT 9.3.5u.6139_B202012 allows for a stack-based buffer overflow when manipulating the password argument in the loginAuth function of the file /cgi-bin/cstecgi.cgi.

Affected Systems and Versions

The specific impacted system in this case is Totolink N350RT version 9.3.5u.6139_B202012. Users of this version should take immediate action to address this security risk.

Exploitation Mechanism

By exploiting the vulnerability in the loginAuth function of /cgi-bin/cstecgi.cgi through manipulation of the password argument, attackers can trigger a stack-based buffer overflow remotely.

Mitigation and Prevention

In this section, we will discuss the steps users can take to mitigate the risks associated with CVE-2023-7218 and prevent potential exploitation.

Immediate Steps to Take

Users are advised to update their Totolink N350RT devices to a secure version and ensure that proper security measures are in place to prevent unauthorized access.

Long-Term Security Practices

Implementing strong access controls, regular security audits, and staying informed about security updates are essential for maintaining the security of systems in the long term.

Patching and Updates

Users should regularly check for security patches and updates provided by Totolink to address vulnerabilities like CVE-2023-7218. Keeping systems up to date is crucial in safeguarding against potential threats.