CVE-2021-46381 Explained : Impact and Mitigation
Learn about CVE-2021-46381, a Local File Inclusion vulnerability in D-Link DAP-1620, allowing unauthorized access to critical system files like /etc/passwd and /etc/shadow. Find mitigation steps and prevention measures.
This CVE-2021-46381 article provides insights into a Local File Inclusion vulnerability in D-Link DAP-1620, potentially leading to unauthorized file access.
Understanding CVE-2021-46381
What is CVE-2021-46381?
CVE-2021-46381 highlights a Local File Inclusion issue in D-Link DAP-1620, allowing malicious actors to read sensitive internal files like /etc/passwd and /etc/shadow.
The Impact of CVE-2021-46381
This vulnerability could result in unauthorized access to critical system files, potentially leading to further exploitation or data breaches.
Technical Details of CVE-2021-46381
Vulnerability Description
The flaw resides in D-Link DAP-1620, enabling attackers to perform path traversal and read sensitive system files.
Affected Systems and Versions
- Product: D-Link DAP-1620
- Vendor: D-Link
- Versions affected: All versions
Exploitation Mechanism
Attackers exploit this vulnerability via path traversal to retrieve confidential information stored in critical system files.
Mitigation and Prevention
Immediate Steps to Take
- Implement network segmentation to restrict access
- Regularly monitor and analyze system logs for unusual activities
- Apply access controls to limit file read permissions
Long-Term Security Practices
- Conduct regular security assessments and audits
- Keep systems up to date with the latest patches and security updates
Patching and Updates
- Refer to D-Link's security bulletin for patches and fixes
- Stay informed about security advisories and updates from D-Link