CVE-2021-41442 : Vulnerability Insights and Analysis
Learn about CVE-2021-41442, a critical HTTP smuggling attack vulnerability in D-Link DIR-X1860 web application before v1.10WWB09_Beta. Find out the impact, affected systems, exploitation details, and mitigation steps.
An HTTP smuggling attack in the web application of D-Link DIR-X1860 before v1.10WWB09_Beta allows a remote unauthenticated attacker to DoS the web application via sending a specific HTTP packet.
Understanding CVE-2021-41442
An overview of the security vulnerability in the D-Link DIR-X1860 web application.
What is CVE-2021-41442?
CVE-2021-41442 is an HTTP smuggling attack vulnerability found in the web application of D-Link DIR-X1860 prior to version v1.10WWB09_Beta. This vulnerability permits a remote unauthenticated attacker to perform a Denial of Service (DoS) attack on the web application by sending a particular HTTP packet.
The Impact of CVE-2021-41442
This security flaw enables malicious actors to disrupt the normal functionality of the D-Link DIR-X1860 web application, potentially leading to service unavailability and system instability.
Technical Details of CVE-2021-41442
Insights into the technical aspects of the CVE-
Vulnerability Description
The vulnerability lies in the handling of HTTP requests within the web application of D-Link DIR-X1860, allowing attackers to exploit this weakness for initiating DoS attacks.
Affected Systems and Versions
- Product: D-Link DIR-X1860
- Versions Affected: Before v1.10WWB09_Beta
Exploitation Mechanism
The attacker can exploit this vulnerability by crafting and transmitting a specific HTTP packet to the target system, triggering a Denial of Service condition.
Mitigation and Prevention
Measures to address and mitigate the CVE-2021-41442 vulnerability.
Immediate Steps to Take
- Upgrade the D-Link DIR-X1860 web application to version v1.10WWB09_Beta or newer to patch the vulnerability.
- Implement network-level protections such as firewalls to filter out potentially malicious HTTP packets.
Long-Term Security Practices
- Regularly monitor and audit web application traffic for unusual HTTP requests.
- Stay informed about security updates and best practices for secure web application development.
Patching and Updates
Apply security patches and updates provided by D-Link for the DIR-X1860 web application to ensure ongoing protection against vulnerabilities.