CVE-2019-12513 : Security Advisory and Response

The NETGEAR Nighthawk X10-R900 prior to version 1.0.4.24 is vulnerable to stored XSS attacks through a malicious hostname field in a DHCP discover request. Attackers can exploit this vulnerability to trigger attacks despite some restrictions.

Understanding CVE-2019-12513

This CVE involves a stored XSS vulnerability in NETGEAR Nighthawk X10-R900 devices.

What is CVE-2019-12513?

Attackers can execute stored XSS attacks by sending a malicious hostname field in a DHCP discover request.
The device generates a log entry with the malicious hostname, which can be viewed in the device's logs to trigger the exploit.

The Impact of CVE-2019-12513

Allows attackers to execute stored XSS attacks on vulnerable devices.
Despite some restrictions on the input, the potential for successful attacks remains.

Technical Details of CVE-2019-12513

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows for stored XSS attacks through a malicious hostname field in a DHCP discover request.

Affected Systems and Versions

NETGEAR Nighthawk X10-R900 devices prior to version 1.0.4.24 are affected.

Exploitation Mechanism

Attackers exploit the vulnerability by inserting a malicious hostname in a DHCP discover request.

Mitigation and Prevention

Protecting against CVE-2019-12513 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the device to version 1.0.4.24 or later to mitigate the vulnerability.
Monitor logs for any suspicious activities related to DHCP requests.

Long-Term Security Practices

Regularly update firmware and security patches on the device.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Ensure timely installation of security updates provided by NETGEAR to address this vulnerability.