CVE-2022-29644 : Exploit Details and Defense Strategies

This article provides details about CVE-2022-29644, a vulnerability found in TOTOLINK A3100R routers.

Understanding CVE-2022-29644

This CVE identifies that TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 routers contain a hardcoded password for the telnet service stored in the component /web_cste/cgi-bin/product.ini.

What is CVE-2022-29644?

CVE-2022-29644 highlights a security issue in TOTOLINK A3100R routers where the telnet service's password is hardcoded, making it vulnerable to unauthorized access.

The Impact of CVE-2022-29644

This vulnerability could allow malicious actors to gain unauthorized access to the affected routers, potentially compromising network security and user data.

Technical Details of CVE-2022-29644

This section covers the specifics of the vulnerability.

Vulnerability Description

The hardcoded password in the telnet service of TOTOLINK A3100R routers poses a security risk by providing unauthorized access to the device.

Affected Systems and Versions

TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 routers are affected by this vulnerability.

Exploitation Mechanism

Attackers could exploit this vulnerability by leveraging the hardcoded telnet password to gain unauthorized access to the routers.

Mitigation and Prevention

Protecting against CVE-2022-29644 is crucial to maintaining the security of TOTOLINK A3100R routers.

Immediate Steps to Take

Users should update router firmware to patch the hardcoded password vulnerability and change default passwords to secure access.

Long-Term Security Practices

Regularly updating router firmware, using strong, unique passwords, and implementing network security measures can enhance overall protection.

Patching and Updates

Vendor-provided patches and security updates should be promptly applied to address known vulnerabilities in TOTOLINK A3100R routers.