CVE-2017-6190 : What You Need to Know
Learn about CVE-2017-6190, a directory traversal vulnerability in D-Link DWR-116 devices allowing remote file access. Find mitigation steps and firmware update details here.
The D-Link DWR-116 device is vulnerable to a directory traversal flaw that allows attackers to access arbitrary files remotely.
Understanding CVE-2017-6190
What is CVE-2017-6190?
The CVE-2017-6190 vulnerability is a directory traversal flaw in the D-Link DWR-116 device's web interface, present in firmware versions before V1.05b09. Attackers can exploit this to read unauthorized files remotely.
The Impact of CVE-2017-6190
This vulnerability enables attackers to access and read arbitrary files on affected devices, compromising sensitive information and potentially leading to further exploitation.
Technical Details of CVE-2017-6190
Vulnerability Description
The vulnerability in the D-Link DWR-116 device allows remote attackers to read arbitrary files by manipulating specific requests with ".." (dot dot) sequences.
Affected Systems and Versions
- Product: D-Link DWR-116
- Firmware Versions Affected: Before V1.05b09
Exploitation Mechanism
Attackers can exploit this vulnerability by including ".." in a particular request, such as "GET /uir/", to access files outside the intended directory.
Mitigation and Prevention
Immediate Steps to Take
- Update the D-Link DWR-116 firmware to version V1.05b09 or later.
- Implement network segmentation to restrict access to vulnerable devices.
Long-Term Security Practices
- Regularly monitor and audit network traffic for suspicious activities.
- Educate users on safe browsing practices and the importance of firmware updates.
Patching and Updates
- Stay informed about security updates from D-Link and apply patches promptly to mitigate known vulnerabilities.