CVE-2021-44362 : 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 through a specially-crafted HTTP request.

Understanding CVE-2021-44362

What is CVE-2021-44362?

This CVE identifies a denial of service vulnerability in the cgiserver.cgi JSON command parser functionality of the affected Reolink RLC-410W v3.0.0.136_20121102 version.

The Impact of CVE-2021-44362

The vulnerability can be triggered by a specially-crafted HTTP request, potentially leading to a system reboot. The attack vector is network-based with high availability impact and no required user interaction.

Technical Details of CVE-2021-44362

Vulnerability Description

Affected Entity: cgiserver.cgi JSON command parser of Reolink RLC-410W v3.0.0.136_20121102
Trigger: Specially-crafted HTTP request
Consequence: Allows an attacker to cause a reboot

Affected Systems and Versions

Systems: Reolink RLC-410W v3.0.0.136_20121102
Versions: 3.0.0.136_20121102

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Scope: Changed
Privileges Required: None

Mitigation and Prevention

Immediate Steps to Take

Network Segmentation: Isolate vulnerable devices
Update: Apply patches and firmware updates from the vendor

Long-Term Security Practices

Regular Security Audits: Ensure continuous vulnerability assessments
Security Awareness Training: Educate users on safe online practices

Patching and Updates

Regularly check for security updates and patches from Reolink to mitigate the vulnerability.