CVE-2018-0426 Explained : Impact and Mitigation
Learn about CVE-2018-0426 affecting Cisco RV110W, RV130W, and RV215W routers. Discover the impact, technical details, and mitigation steps for this directory traversal vulnerability.
A security flaw in the Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W Wireless-N Multifunction VPN Router, and Cisco RV215W Wireless-N VPN Router's web-based management interface could potentially allow unauthorized remote attackers to access confidential information.
Understanding CVE-2018-0426
What is CVE-2018-0426?
The vulnerability in the web-based management interface of Cisco routers allows for directory traversal, enabling attackers to access sensitive information.
The Impact of CVE-2018-0426
The vulnerability could lead to unauthorized access to files on compromised devices, potentially exposing sensitive data.
Technical Details of CVE-2018-0426
Vulnerability Description
The flaw arises from inadequate validation of character sequences, permitting directory traversal within the web-based management interface.
Affected Systems and Versions
- Product: Cisco RV130W Wireless-N Multifunction VPN Router Firmware
- Vendor: Cisco
- Version: n/a
Exploitation Mechanism
Attackers exploit the vulnerability by sending malicious requests to the targeted device, gaining access to desired files.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Cisco promptly.
- Restrict network access to the management interface of the affected devices.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and software to mitigate potential vulnerabilities.
- Implement strong access controls and authentication mechanisms.
Patching and Updates
Cisco has released patches to address the vulnerability. Ensure timely installation of these updates.