CVE-2021-44628 : Security Advisory and Response
Learn about CVE-2021-44628, a critical Buffer Overflow vulnerability in TP-LINK WR-886N 20190826 2.3.8 allowing remote code execution. Find mitigation steps and essential security practices here.
A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/login feature, allowing malicious users to execute arbitrary code through a crafted post request.
Understanding CVE-2021-44628
This CVE identifies a critical Buffer Overflow vulnerability affecting TP-LINK WR-886N 20190826 2.3.8.
What is CVE-2021-44628?
The vulnerability in TP-LINK WR-886N 20190826 2.3.8 enables attackers to run arbitrary code on the system by sending a specially designed post request.
The Impact of CVE-2021-44628
This vulnerability may lead to remote code execution, enabling attackers to take complete control of the affected system.
Technical Details of CVE-2021-44628
This section delves into the technical aspects of the CVE.
Vulnerability Description
The Buffer Overflow in TP-LINK WR-886N 20190826 2.3.8's /cloud_config/router_post/login allows for the execution of unauthorized code via a malicious post request.
Affected Systems and Versions
- Affected System: TP-LINK WR-886N 20190826 2.3.8
- Vulnerable Version: 2.3.8
Exploitation Mechanism
By sending a well-crafted post request to the /cloud_config/router_post/login feature, threat actors can exploit this vulnerability.
Mitigation and Prevention
Protecting your systems from CVE-2021-44628 is crucial.
Immediate Steps to Take
- Disable remote access if not necessary
- Implement network segmentation
- Monitor network traffic for suspicious activities
Long-Term Security Practices
- Regularly update firmware and software
- Conduct security assessments and penetration testing
Patching and Updates
- Apply security patches and updates provided by TP-LINK to fix this vulnerability.