CVE-2023-2790 : What You Need to Know

This CVE-2023-2790 vulnerability involves the TOTOLINK N200RE Telnet Service with a custom.conf password in the configuration file.

Understanding CVE-2023-2790

This section delves into what CVE-2023-2790 is and its potential impact, along with technical details, affected systems, and mitigation strategies.

What is CVE-2023-2790?

CVE-2023-2790 is a vulnerability found in the TOTOLINK N200RE 9.3.5u.6255_B20211224, specifically within the Telnet Service component. The issue stems from an unknown function in the file

/squashfs-root/etc_ro/custom.conf

, which allows for password exposure in the configuration file. This vulnerability can be exploited locally, and the exploit details are publicly available.

The Impact of CVE-2023-2790

The impact of CVE-2023-2790 lies in the potential exposure of sensitive password information through the configuration file manipulation. This could lead to unauthorized access and compromise of the affected system.

Technical Details of CVE-2023-2790

The technical details encompass the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in TOTOLINK N200RE 9.3.5u.6255_B20211224 revolves around an unknown function in the file

/squashfs-root/etc_ro/custom.conf

, leading to password exposure. This manipulation poses a security risk to the system.

Affected Systems and Versions

The TOTOLINK N200RE version 9.3.5u.6255_B20211224 is specifically impacted by this vulnerability within the Telnet Service module.

Exploitation Mechanism

Exploiting this vulnerability involves leveraging the unknown function in the

/squashfs-root/etc_ro/custom.conf

file to access password information, potentially allowing unauthorized access to the system.

Mitigation and Prevention

Understanding how to mitigate and prevent CVE-2023-2790 is crucial for safeguarding systems against potential exploitation and security breaches.

Immediate Steps to Take

Immediately addressing the vulnerability by reviewing and securing the configuration file

/squashfs-root/etc_ro/custom.conf

can help mitigate the risk of password exposure.

Long-Term Security Practices

Implementing robust security practices, such as regular security audits, access control measures, and encryption protocols, can enhance overall system security.

Patching and Updates

Regularly monitoring for security patches and updates from TOTOLINK to address vulnerabilities like CVE-2023-2790 is essential to maintaining a secure system environment.