CVE-2021-44397 : Vulnerability Insights and Analysis
Learn about CVE-2021-44397, a denial of service vulnerability in Reolink RLC-410W v3.0.0.136_20121102, potentially leading to system reboots. Understand the impact, affected systems, exploitation, 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-2021-44397
What is CVE-2021-44397?
The CVE-2021-44397 CVE ID identifies a denial of service vulnerability in Reolink RLC-410W v3.0.0.136_20121102, potentially leading to system reboots.
The Impact of CVE-2021-44397
The vulnerability has a CVSS base score of 8.6 (High). An attacker can exploit this issue via a crafted HTTP request, causing a denial of service, with high availability impact.
Technical Details of CVE-2021-44397
Vulnerability Description
The issue lies in the cgiserver.cgi JSON command parser of Reolink RLC-410W v3.0.0.136_20121102, where specific HTTP requests can trigger a reboot.
Affected Systems and Versions
- Product: Reolink RLC-410W
- Version: v3.0.0.136_20121102
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Scope: Changed
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-provided patches promptly.
- Restrict network access to vulnerable devices.
Long-Term Security Practices
- Regularly update software and firmware.
- Implement network segmentation and access controls.
Patching and Updates
Ensure that all affected systems are updated with the latest patches and firmware releases.