CVE-2021-29295 : What You Need to Know
Learn about CVE-2021-29295, a Null Pointer Dereference vulnerability in D-Link DSP-W215 1.10 that allows remote attackers to cause a denial of service. Discover impact, affected systems, and mitigation steps.
A Null Pointer Dereference vulnerability has been identified in D-Link DSP-W215 1.10, potentially allowing a remote malicious user to trigger a denial of service attack. This CVE has been marked as 'UNSUPPORTED WHEN ASSIGNED' as the affected device is End of Life and will not receive a patch.
Understanding CVE-2021-29295
This section delves into the specifics of the CVE-2021-29295 vulnerability.
What is CVE-2021-29295?
The CVE-2021-29295 pertains to a Null Pointer Dereference flaw found in D-Link DSP-W215 1.10. This vulnerability can be exploited by a remote attacker to cause a denial of service by sending a specific HTTP request to the device.
The Impact of CVE-2021-29295
The impact of this vulnerability is the potential for a remote malicious user to disrupt the operation of the D-Link DSP-W215 1.10 device, leading to a denial of service incident.
Technical Details of CVE-2021-29295
Explore the technical aspects of CVE-2021-29295 below.
Vulnerability Description
The vulnerability in question allows an attacker to exploit a Null Pointer Dereference issue in D-Link DSP-W215 1.10, ultimately leading to a denial of service scenario.
Affected Systems and Versions
The affected product is D-Link DSP-W215 1.10. All hardware revisions of this device are considered End of Life, rendering them vulnerable to the identified issue.
Exploitation Mechanism
To exploit CVE-2021-29295, a remote malicious user can send a specific HTTP request lacking a URL in the start line directly to the D-Link DSP-W215 1.10 device.
Mitigation and Prevention
Discover how to mitigate and prevent the exploitation of CVE-2021-29295 in the following section.
Immediate Steps to Take
Given the End of Life status of the affected device, immediate steps include upgrading to a newer, supported model and discontinuing the use of D-Link DSP-W215 1.10.
Long-Term Security Practices
In the long term, it is essential to retire outdated devices promptly and maintain up-to-date hardware and firmware to mitigate the risks posed by such vulnerabilities.
Patching and Updates
Since the D-Link DSP-W215 and all its hardware revisions are End of Life, no patches or updates will be provided to address CVE-2021-29295.