CVE-2018-0405 : What You Need to Know

Cisco RV180W Wireless-N Multifunction VPN Router Directory Path Traversal Vulnerability

Understanding CVE-2018-0405

The Cisco RV180W Wireless-N Multifunction VPN Router and Small Business RV Series RV220W Wireless Network Security Firewall are affected by a directory path traversal vulnerability.

What is CVE-2018-0405?

This vulnerability in the web framework code allows an unauthorized remote attacker to exploit a directory path traversal flaw, potentially leading to unauthorized access to sensitive files on the device.

The Impact of CVE-2018-0405

The vulnerability has a CVSS base score of 7.5, indicating a high severity level. If successfully exploited, an attacker could gain access to critical system files, compromising the security and integrity of the device.

Technical Details of CVE-2018-0405

The following technical details provide insight into the vulnerability.

Vulnerability Description

The issue arises from improper sanitization of user-supplied input in HTTP request parameters that describe filenames, enabling attackers to manipulate paths and access unauthorized files.

Affected Systems and Versions

Product: Cisco RV180W Wireless-N Multifunction VPN Router
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

Attackers can exploit this vulnerability by using directory traversal techniques to specify a path that leads to a desired file location, bypassing security measures.

Mitigation and Prevention

Protecting systems from CVE-2018-0405 requires immediate action and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Cisco promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all network devices and systems.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users and administrators about safe browsing habits and security best practices.
Utilize intrusion detection and prevention systems to monitor and block malicious activities.
Consider implementing additional security measures such as firewalls and access controls.

Patching and Updates

Cisco has released patches to address the vulnerability. Ensure that all affected devices are updated with the latest firmware to mitigate the risk of exploitation.