CVE-2021-44627 : Vulnerability Insights and Analysis

A Buffer Overflow vulnerability in TP-LINK WR-886N 2.3.8 allows malicious users to execute arbitrary code via a crafted post request.

Understanding CVE-2021-44627

What is CVE-2021-44627?

This CVE identifies a Buffer Overflow vulnerability in TP-LINK WR-886N 20190826 2.3.8, enabling attackers to run arbitrary code on the system using a specially designed post request.

The Impact of CVE-2021-44627

This vulnerability permits malicious actors to execute unauthorized code on the affected system, potentially leading to severe security breaches and compromise.

Technical Details of CVE-2021-44627

Vulnerability Description

The vulnerability resides in the /cloud_config/router_post/get_reset_pwd_veirfy_code feature of TP-LINK WR-886N 2.3.8, enabling the execution of arbitrary code by malicious users.

Affected Systems and Versions

Vendor: TP-LINK
Product: TP-LINK WR-886N
Version: 20190826 2.3.8

Exploitation Mechanism

The vulnerability can be exploited by sending a specifically crafted post request to the vulnerable system, allowing threat actors to execute arbitrary code.

Mitigation and Prevention

Immediate Steps to Take

Implement a firewall to restrict unauthorized access to vulnerable services.
Regularly monitor and review system logs for any unusual activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Keep systems and software up to date with the latest security patches.
Educate users about best practices for safe browsing and email usage.

Patching and Updates

Apply the latest security updates and patches provided by TP-LINK to address the CVE-2021-44627 vulnerability.