CVE-2018-3949 : Exploit Details and Defense Strategies
Learn about CVE-2018-3949 affecting TP-Link TL-R600VPN routers. Discover the impact, affected systems, exploitation details, and mitigation steps to secure your network.
TP-Link TL-R600VPN HTTP Server Directory Traversal Vulnerability
Understanding CVE-2018-3949
What is CVE-2018-3949?
The CVE-2018-3949 vulnerability affects TP-Link TL-R600VPN routers, allowing attackers to disclose sensitive system files through a directory traversal exploit.
The Impact of CVE-2018-3949
This vulnerability has a CVSS base score of 7.5 (High severity) and can lead to unauthorized access to confidential information on affected devices.
Technical Details of CVE-2018-3949
Vulnerability Description
The TP-Link TL-R600VPN HTTP server feature is susceptible to a directory traversal flaw, enabling attackers to access sensitive system files by manipulating URLs.
Affected Systems and Versions
- Product: TP-Link
- Vendor: Talos
- Versions: TP-Link TL-R600VPN HWv3 FRNv1.3.0, TP-Link TL-R600VPN HWv2 FRNv1.2.3
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Confidentiality Impact: High
- Privileges Required: None
- User Interaction: None
Mitigation and Prevention
Immediate Steps to Take
- Disable remote access to the router's HTTP server if not required
- Implement strong password policies for router access
- Regularly monitor network traffic for suspicious activities
Long-Term Security Practices
- Keep router firmware up to date with the latest security patches
- Conduct regular security audits and vulnerability assessments
Patching and Updates
Ensure that the affected TP-Link TL-R600VPN routers are updated with the latest firmware releases to mitigate the CVE-2018-3949 vulnerability.