CVE-2022-48123 : Security Advisory and Response

A command injection vulnerability has been discovered in TOTOlink A7100RU V7.4cu.2313_B20191024 that can be exploited via the servername parameter in the setting/delStaticDhcpRules function.

Understanding CVE-2022-48123

This section provides insights into the nature and impact of the CVE-2022-48123 vulnerability.

What is CVE-2022-48123?

The CVE-2022-48123 vulnerability exists in TOTOlink A7100RU V7.4cu.2313_B20191024 due to a command injection flaw in the setting/delStaticDhcpRules function.

The Impact of CVE-2022-48123

The vulnerability allows attackers to execute arbitrary commands through the servername parameter, potentially leading to unauthorized access or further exploitation.

Technical Details of CVE-2022-48123

Explore the specific technical aspects of the CVE-2022-48123 vulnerability.

Vulnerability Description

The command injection vulnerability in TOTOlink A7100RU V7.4cu.2313_B20191024 allows threat actors to inject and execute commands via the servername parameter.

Affected Systems and Versions

The affected system is TOTOlink A7100RU V7.4cu.2313_B20191024, running the specific version mentioned.

Exploitation Mechanism

Exploiting the CVE-2022-48123 vulnerability involves manipulating the servername parameter in the setting/delStaticDhcpRules function.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2022-48123 and prevent potential exploitation.

Immediate Steps to Take

Immediately restrict access to the vulnerable component and consider implementing network segregation and access controls.

Long-Term Security Practices

Regularly update and patch the TOTOlink A7100RU device, conduct security assessments, and educate users on secure configuration practices.

Patching and Updates

Keep the device firmware up to date and apply patches provided by the vendor to address the command injection vulnerability.