CVE-2021-21817 : Vulnerability Insights and Analysis
Learn about CVE-2021-21817, an information disclosure vulnerability in the Zebra IP Routing Manager of D-LINK DIR-3040 1.13B03. Discover the impact, technical details, affected versions, and mitigation steps.
An information disclosure vulnerability exists in the Zebra IP Routing Manager functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to the disclosure of sensitive information.
Understanding CVE-2021-21817
This CVE-2021-21817 pertains to an information disclosure vulnerability found in the Zebra IP Routing Manager feature of D-LINK DIR-3040 1.13B03.
What is CVE-2021-21817?
The CVE-2021-21817 vulnerability allows an attacker to disclose sensitive information through a specially designed network request targeting the affected D-LINK DIR-3040 1.13B03 version.
The Impact of CVE-2021-21817
With a CVSS base score of 7.5 (High), this vulnerability poses a significant risk by enabling unauthorized disclosure of confidential data without requiring special privileges or user interaction.
Technical Details of CVE-2021-21817
This section outlines the specifics of the CVE-2021-21817 vulnerability.
Vulnerability Description
The information disclosure vulnerability in Zebra IP Routing Manager of D-LINK DIR-3040 1.13B03 enables threat actors to extract sensitive data by manipulating network requests.
Affected Systems and Versions
The vulnerability affects D-LINK DIR-3040 version 1.13B03 specifically.
Exploitation Mechanism
An attacker can exploit this flaw by sending a crafted sequence of network requests to trigger the disclosure of critical information.
Mitigation and Prevention
Protecting systems against CVE-2021-21817 requires immediate action and long-term security measures.
Immediate Steps to Take
It is recommended to apply security patches provided by the vendor to mitigate the vulnerability. Additionally, network monitoring and access control can help detect and prevent unauthorized attempts.
Long-Term Security Practices
Employ robust network security measures, including regular vulnerability assessments, network segmentation, and user training to enhance overall cybersecurity posture.
Patching and Updates
Regularly check for security updates and patches released by D-Link to address CVE-2021-21817 and other potential vulnerabilities.