CVE-2018-1143 : Security Advisory and Response

A vulnerability in the Belkin N750 router's firmware version 1.10.22 allows remote unauthorized users to gain root access and execute commands through a crafted HTTP request.

Understanding CVE-2018-1143

This CVE entry details a command injection vulnerability in the Belkin N750 router.

What is CVE-2018-1143?

CVE-2018-1143 is a security flaw in the Belkin N750 router's firmware version 1.10.22 that enables remote attackers to execute commands as root without physical presence.

The Impact of CVE-2018-1143

Exploiting this vulnerability can lead to unauthorized users gaining root access to the router and executing arbitrary commands, compromising the device's security and potentially the network it is connected to.

Technical Details of CVE-2018-1143

This section provides technical insights into the vulnerability.

Vulnerability Description

The flaw allows remote unauthenticated users to execute commands as root by sending a carefully crafted HTTP request to the twonky_command.cgi script on the affected Belkin N750 router.

Affected Systems and Versions

Affected Product: Belkin N750 DB Wi-Fi Dual-Band N+ Gigabit Router (F9K1103)
Affected Firmware Version: 1.10.22

Exploitation Mechanism

The vulnerability can be exploited by sending a specifically designed HTTP request to the twonky_command.cgi script, enabling attackers to gain root access and execute commands remotely.

Mitigation and Prevention

Protecting systems from CVE-2018-1143 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the Belkin N750 router firmware to a patched version that addresses the vulnerability.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly monitor and update router firmware to mitigate future vulnerabilities.
Employ strong network security practices, including access control and monitoring mechanisms.

Patching and Updates

Check for firmware updates provided by Belkin and apply them promptly to secure the router against known vulnerabilities.