CVE-2021-44864 : Exploit Details and Defense Strategies
Learn about CVE-2021-44864, a vulnerability in TP-Link WR886N 3.0 1.0.1 Build 150127 Rel.34123n that allows authenticated attackers to crash router services. Find mitigation steps here.
TP-Link WR886N 3.0 1.0.1 Build 150127 Rel.34123n is vulnerable to Buffer Overflow, allowing authenticated attackers to crash router httpd services via specific requests.
Understanding CVE-2021-44864
The vulnerability in TP-Link WR886N 3.0 1.0.1 can be exploited by authenticated attackers to disrupt router services by sending a malicious request.
What is CVE-2021-44864?
The CVE-2021-44864 vulnerability enables authenticated attackers to crash the router httpd services on TP-Link WR886N 3.0 1.0.1 via a specific HTTP request.
The Impact of CVE-2021-44864
The vulnerability allows attackers to cause denial of service, potentially disrupting network access and operations.
Technical Details of CVE-2021-44864
This section provides technical insights into the vulnerability.
Vulnerability Description
Authenticated attackers can exploit a buffer overflow in TP-Link WR886N 3.0 1.0.1 Build 150127 Rel.34123n by sending a crafted request.
Affected Systems and Versions
- TP-Link WR886N 3.0 1.0.1 Build 150127 Rel.34123n
Exploitation Mechanism
Attackers can crash the router httpd services by sending a specific request containing redundant characters.
Mitigation and Prevention
Protect your system from the CVE-2021-44864 vulnerability using the following steps:
Immediate Steps to Take
- Restrict access to the router's web interface
- Monitor network traffic for suspicious activities
- Apply security best practices to router configurations
Long-Term Security Practices
- Regularly update router firmware
- Conduct security audits to identify vulnerabilities
Patching and Updates
- Check for firmware updates from TP-Link and apply them promptly