CVE-2021-44372 : Vulnerability Insights and Analysis

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 via a specially crafted HTTP request.

Understanding CVE-2021-44372

What is CVE-2021-44372?

The CVE-2021-44372 vulnerability involves a denial of service weakness in the cgiserver.cgi JSON command parser of Reolink RLC-410W v3.0.0.136_20121102, which can be exploited with a malicious HTTP request, leading to a system reboot.

The Impact of CVE-2021-44372

This vulnerability has a CVSS base score of 8.6 (High), with a potential high impact on availability, as an attacker can remotely initiate a reboot by sending a specific HTTP request.

Technical Details of CVE-2021-44372

Vulnerability Description

A denial of service flaw in the cgiserver.cgi JSON command parser of Reolink RLC-410W v3.0.0.136_20121102
Vulnerability arises from a specially crafted HTTP request

Affected Systems and Versions

Affected version: Reolink RLC-410W v3.0.0.136_20121102

Exploitation Mechanism

Attacker sends a specially crafted HTTP request to trigger the vulnerability

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches or updates to fix the vulnerability
Implement network security controls to restrict unauthorized access

Long-Term Security Practices

Regularly update and patch IoT devices to address security flaws
Conduct security assessments to identify and remediate vulnerabilities
Employ network segmentation to isolate critical devices

Patching and Updates

Reolink RLC-410W users should apply the recommended patch or update provided by the vendor.