CVE-2023-7214 : Exploit Details and Defense Strategies

This CVE-2023-7214 relates to a critical stack-based buffer overflow vulnerability found in Totolink N350RT 9.3.5u.6139_B20201216, specifically in the HTTP POST Request Handler component.

Understanding CVE-2023-7214

This vulnerability can be exploited remotely through the manipulation of the argument v8, potentially leading to a stack-based buffer overflow. The issue has been rated as having a base severity of MEDIUM.

What is CVE-2023-7214?

The vulnerability found in Totolink N350RT 9.3.5u.6139_B20201216 allows attackers to trigger a stack-based buffer overflow by manipulating the argument v8. The exploit for this issue has been publicly disclosed.

The Impact of CVE-2023-7214

Due to this vulnerability, threat actors can launch remote attacks, potentially compromising the security and integrity of affected systems. The exploit for this vulnerability is available to the public, increasing the risk of exploitation.

Technical Details of CVE-2023-7214

This section provides more in-depth information regarding the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability exists in the main function of the file /cgi-bin/cstecgi.cgi?action=login in the HTTP POST Request Handler component of Totolink N350RT 9.3.5u.6139_B20201216. The manipulation of the argument v8 leads to a stack-based buffer overflow.

Affected Systems and Versions

The affected product is Totolink N350RT with the version 9.3.5u.6139_B20201216. Specifically, the vulnerability impacts the HTTP POST Request Handler module.

Exploitation Mechanism

By manipulating the argument v8 with specific data, threat actors can trigger a stack-based buffer overflow remotely, making it a critical security concern for affected systems.

Mitigation and Prevention

To address CVE-2023-7214 and protect systems from potential exploitation, immediate steps and long-term security practices are crucial.

Immediate Steps to Take

Organizations should apply security patches provided by Totolink promptly.
Monitor network traffic for any signs of exploitation.
Implement strong network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly update and patch software and firmware to address security vulnerabilities.
Conduct regular security assessments and penetration testing to identify and address weaknesses.
Educate personnel on cybersecurity best practices to enhance overall security posture.

Patching and Updates

It is recommended to keep systems up to date with the latest security patches and firmware releases from Totolink to mitigate the risk of exploitation associated with CVE-2023-7214.