CVE-2021-44631 Explained : Impact and Mitigation
Learn about CVE-2021-44631, a Buffer Overflow vulnerability in TP-LINK WR-886N 20190826 2.3.8 allowing execution of arbitrary code. Find mitigation steps and prevention measures.
A Buffer Overflow vulnerability in TP-LINK WR-886N 20190826 2.3.8 allows malicious users to execute arbitrary code via a crafted post request.
Understanding CVE-2021-44631
This CVE-2021-44631 involves a Buffer Overflow vulnerability in a specific feature of TP-LINK WR-886N.
What is CVE-2021-44631?
The vulnerability in the /cloud_config/router_post/reset_cloud_pwd feature allows attackers to execute arbitrary code through a malicious post request.
The Impact of CVE-2021-44631
The exploit enables attackers to gain unauthorized access and potentially take control of the affected system, posing a significant security risk.
Technical Details of CVE-2021-44631
This section covers specific technical details of the vulnerability.
Vulnerability Description
The Buffer Overflow vulnerability in TP-LINK WR-886N 20190826 2.3.8 lets attackers execute arbitrary code by manipulating post requests.
Affected Systems and Versions
- Product: TP-LINK WR-886N
- Version: 20190826 2.3.8
Exploitation Mechanism
- Attackers exploit the flaw in the /cloud_config/router_post/reset_cloud_pwd feature via crafted post requests.
Mitigation and Prevention
Mitigation strategies to address and prevent exploitation of CVE-2021-44631.
Immediate Steps to Take
- Disable remote access if not required
- Monitor network traffic for suspicious activities
Long-Term Security Practices
- Regularly update firmware and software
- Implement network segmentation to contain potential breaches
Patching and Updates
- Apply patches and security updates provided by TP-LINK to fix the vulnerability.