CVE-2017-6366 Explained : Impact and Mitigation
Learn about CVE-2017-6366, a CSRF vulnerability in NETGEAR DGN2200 routers allowing unauthorized access. Find mitigation steps and prevention measures here.
The NETGEAR DGN2200 routers with firmware versions 10.0.0.20 through 10.0.0.50 are vulnerable to Cross-site request forgery (CSRF) allowing unauthorized individuals to exploit user authentication.
Understanding CVE-2017-6366
What is CVE-2017-6366?
CVE-2017-6366 is a CSRF vulnerability in NETGEAR DGN2200 routers that enables remote attackers to hijack user authentication for DNS lookup requests.
The Impact of CVE-2017-6366
This vulnerability can be exploited by unauthorized users to manipulate DNS lookup requests, potentially leading to unauthorized access and data breaches.
Technical Details of CVE-2017-6366
Vulnerability Description
- CSRF vulnerability in NETGEAR DGN2200 routers with firmware 10.0.0.20 through 10.0.0.50
- Allows remote attackers to hijack user authentication for DNS lookup requests
- Can be combined with CVE-2017-6334 for remote code execution
Affected Systems and Versions
- NETGEAR DGN2200 routers
- Firmware versions 10.0.0.20 through 10.0.0.50
Exploitation Mechanism
- Attackers exploit the host_name parameter in dnslookup.cgi to perform unauthorized DNS lookups
Mitigation and Prevention
Immediate Steps to Take
- Disable remote management if not required
- Regularly monitor network traffic for suspicious activities
- Implement strong, unique passwords for router access
Long-Term Security Practices
- Keep router firmware up to date
- Conduct regular security audits and vulnerability assessments
Patching and Updates
- Check for firmware updates from NETGEAR and apply patches promptly