CVE-2021-30232 : Vulnerability Insights and Analysis

A detailed overview of the CVE-2021-30232 vulnerability, its impact, technical details, and mitigation steps.

Understanding CVE-2021-30232

This section provides insights into the nature of CVE-2021-30232 and its implications.

What is CVE-2021-30232?

The CVE-2021-30232 vulnerability is found in the api/ZRIGMP/set_IGMP_PROXY interface of China Mobile An Lianbao WF-1 router 1.0.1. It enables remote threat actors to execute arbitrary commands using shell metacharacters in the IGMP_PROXY_WAN_CONNECT parameter.

The Impact of CVE-2021-30232

The security flaw in the China Mobile An Lianbao WF-1 router version 1.0.1 allows attackers remote access to execute unauthorized commands, posing a significant risk to the system's integrity.

Technical Details of CVE-2021-30232

Detailed technical aspects of the CVE-2021-30232 vulnerability, including how systems are affected and how it can be exploited.

Vulnerability Description

The vulnerability in China Mobile An Lianbao WF-1 router version 1.0.1 arises from insufficient input validation, enabling threat actors to inject unauthorized commands through the IGMP_PROXY_WAN_CONNECT parameter.

Affected Systems and Versions

The vulnerability affects China Mobile An Lianbao WF-1 router version 1.0.1. Systems with this specific version are at risk of exploitation.

Exploitation Mechanism

Attackers exploit the CVE-2021-30232 vulnerability by injecting malicious shell metacharacters into the IGMP_PROXY_WAN_CONNECT parameter, allowing them to execute unauthorized commands remotely.

Mitigation and Prevention

Effective measures to mitigate the CVE-2021-30232 vulnerability and prevent potential security breaches.

Immediate Steps to Take

Immediately updating the China Mobile An Lianbao WF-1 router to a patched version can help prevent exploitation of the vulnerability. Additionally, network segmentation and access controls can limit unauthorized access to the vulnerable interface.

Long-Term Security Practices

Regular security audits, network monitoring, and user awareness training are essential for maintaining robust cybersecurity practices and preventing similar vulnerabilities in the future.

Patching and Updates

Vendor-released security patches should be promptly applied to mitigate the vulnerability. Regularly updating systems and implementing proper access controls can enhance the overall security posture against potential attacks.