CVE-2021-44622 : Vulnerability Insights and Analysis
Learn about CVE-2021-44622, a Buffer Overflow flaw in TP-LINK WR-886N 20190826 2.3.8 allowing remote code execution. Discover impact, affected systems, and mitigation steps.
A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 which could allow a remote malicious user to execute arbitrary code via a crafted post request.
Understanding CVE-2021-44622
This CVE involves a Buffer Overflow vulnerability in a specific function of TP-LINK WR-886N routers.
What is CVE-2021-44622?
A Buffer Overflow flaw in the /cloud_config/router_post/check_reg_verify_code function of TP-LINK WR-886N 20190826 2.3.8 allows attackers to run arbitrary code through a crafted post request.
The Impact of CVE-2021-44622
- Attackers can exploit this vulnerability to remotely execute malicious code on the affected system.
Technical Details of CVE-2021-44622
This section provides detailed technical information about the CVE.
Vulnerability Description
The vulnerability exists in the mentioned function, enabling remote attackers to execute arbitrary code.
Affected Systems and Versions
- Product: TP-LINK WR-886N
- Version: 20190826 2.3.8
Exploitation Mechanism
Attackers can trigger the vulnerability by sending specially crafted post requests to the targeted device.
Mitigation and Prevention
Protect your system from CVE-2021-44622 with the following steps:
Immediate Steps to Take
- Disable remote management if not needed
- Apply vendor-supplied patches promptly
Long-Term Security Practices
- Regularly update firmware and software
- Implement network segmentation to minimize attack surfaces
Patching and Updates
- Check for security updates from TP-LINK and apply them as soon as they are available.