CVE-2018-17127 : Vulnerability Insights and Analysis

CVE-2018-17127 was published on September 17, 2018, by MITRE. It involves a vulnerability in blocking_request.cgi on ASUS GT-AC5300 devices running software version 3.0.0.4.384_32738, allowing remote attackers to cause a denial of service.

Understanding CVE-2018-17127

This CVE entry details a specific vulnerability affecting ASUS GT-AC5300 devices.

What is CVE-2018-17127?

The vulnerability in blocking_request.cgi on ASUS GT-AC5300 devices allows remote attackers to trigger a denial of service by exploiting a NULL pointer dereference, leading to a device crash.

The Impact of CVE-2018-17127

The exploitation of this vulnerability can result in a denial of service, disrupting the normal operation of the affected ASUS GT-AC5300 devices.

Technical Details of CVE-2018-17127

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability in blocking_request.cgi on ASUS GT-AC5300 devices through version 3.0.0.4.384_32738 enables remote attackers to cause a denial of service by sending a request without a timestamp parameter.

Affected Systems and Versions

Product: ASUS GT-AC5300
Software Version: 3.0.0.4.384_32738

Exploitation Mechanism

By sending a request without a timestamp parameter, attackers can exploit a NULL pointer dereference, leading to a device crash.

Mitigation and Prevention

To address CVE-2018-17127, follow these mitigation strategies:

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update firmware and software to the latest versions.
Conduct security assessments and penetration testing to identify vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates provided by ASUS for the GT-AC5300 devices.