CVE-2021-44407 : Vulnerability Insights and Analysis
Discover the denial of service vulnerability in the JSON command parser of Reolink RLC-410W v3.0.0.136_20121102. Learn about the impact, affected systems, exploitation mechanism, and mitigation steps.
A denial of service vulnerability exists in the cgiserver.cgi JSON command parser functionality of Reolink RLC-410W v3.0.0.136_20121102, allowing an attacker to trigger a reboot through a specially-crafted HTTP request.
Understanding CVE-2021-44407
This CVE describes a vulnerability in the JSON command parser of a specific Reolink camera model that can be exploited to cause a denial of service.
What is CVE-2021-44407?
The vulnerability in the cgiserver.cgi JSON command parser of the Reolink RLC-410W v3.0.0.136_20121102 camera allows for a denial of service by triggering a reboot through a specially-crafted HTTP request.
The Impact of CVE-2021-44407
The impact of this vulnerability is rated as High according to the CVSS v3.0 base score of 8.6 due to its potential for causing system unavailability.
Technical Details of CVE-2021-44407
This section provides technical details of the vulnerability.
Vulnerability Description
A denial of service vulnerability exists in the cgiserver.cgi JSON command parser functionality of Reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to a reboot.
Affected Systems and Versions
- Affected System: Reolink RLC-410W v3.0.0.136_20121102
- Affected Version: v3.0.0.136_20121102
Exploitation Mechanism
- The vulnerability can be triggered by sending a specific HTTP request to the cgiserver.cgi JSON command parser.
Mitigation and Prevention
Steps to address and prevent exploitation of the vulnerability.
Immediate Steps to Take
- Apply vendor-provided patches or updates promptly.
- Implement network level controls to restrict access to the affected system.
Long-Term Security Practices
- Regularly monitor for security advisories and updates from the vendor.
- Conduct periodic security assessments and penetration testing to identify vulnerabilities.
- Enhance network segmentation to limit the impact of potential security incidents.
Patching and Updates
- Ensure timely deployment of security patches and updates provided by Reolink for the affected camera model.