CVE-2018-17006 Explained : Impact and Mitigation

A vulnerability has been identified on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices, allowing authenticated attackers to disrupt router services by submitting excessively lengthy JSON data.

Understanding CVE-2018-17006

This CVE describes a vulnerability that affects specific TP-Link router models, potentially leading to service disruption.

What is CVE-2018-17006?

The vulnerability allows authenticated attackers to crash router services like inetd, HTTP, DNS, and UPnP by sending long JSON data for the firewall lan_manage mac2 parameter.

The Impact of CVE-2018-17006

The exploitation of this vulnerability can result in a denial of service (DoS) condition on the affected TP-Link devices, impacting network availability and functionality.

Technical Details of CVE-2018-17006

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices allows authenticated attackers to disrupt router services by sending excessively lengthy JSON data.

Affected Systems and Versions

TP-Link TL-WR886N 6.0 2.3.4
TP-Link TL-WR886N 7.0 1.1.0

Exploitation Mechanism

Attackers need to be authenticated to exploit this vulnerability. By submitting long JSON data for the firewall lan_manage mac2 parameter, they can crash router services.

Mitigation and Prevention

Protecting systems from CVE-2018-17006 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by TP-Link promptly.
Monitor network traffic for any suspicious activities.
Restrict access to the router's administration interface.

Long-Term Security Practices

Regularly update router firmware to address security vulnerabilities.
Implement strong authentication mechanisms for accessing router settings.
Conduct security audits to identify and mitigate potential risks.

Patching and Updates

Ensure that the affected TP-Link devices are updated with the latest firmware releases to mitigate the vulnerability.