CVE-2018-0424 : Exploit Details and Defense Strategies

A vulnerability in the web-based management interface of Cisco RV110W, RV130W, and RV215W routers could allow an authenticated, remote attacker to execute arbitrary commands.

Understanding CVE-2018-0424

This CVE identifies a command injection vulnerability in certain Cisco routers that could be exploited by attackers to run unauthorized commands.

What is CVE-2018-0424?

The vulnerability stems from improper validation of user input in the routers' web-based management interface, enabling attackers to send malicious requests and execute commands with root user privileges.

The Impact of CVE-2018-0424

The CVSS base score for this vulnerability is 7.2, indicating a high severity level due to the potential for remote attackers to gain unauthorized access and execute commands on affected devices.

Technical Details of CVE-2018-0424

This section provides more detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows authenticated remote attackers to execute arbitrary commands on Cisco RV110W, RV130W, and RV215W routers by exploiting the incorrect validation of user input in the web-based management interface.

Affected Systems and Versions

Product: Cisco RV130W Wireless-N Multifunction VPN Router Firmware
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

To exploit this vulnerability, attackers need to send harmful requests to the targeted device through the web-based management interface, gaining the ability to execute any desired commands with root user privileges.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Cisco promptly to mitigate the vulnerability.
Monitor network traffic for any suspicious activity that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update and patch all network devices to prevent known vulnerabilities.
Implement strong access controls and authentication mechanisms to limit unauthorized access to network devices.

Patching and Updates

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