CVE-2021-44380 : What You Need to Know
Learn about CVE-2021-44380, a high-severity denial of service vulnerability in the cgiserver.cgi JSON command parser of Reolink RLC-410W v3.0.0.136_20121102 triggering reboots.
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.
Understanding CVE-2021-44380
What is CVE-2021-44380?
This CVE denotes a denial of service vulnerability in a specific JSON command parser functionality of the Reolink RLC-410W v3.0.0.136_20121102.
The Impact of CVE-2021-44380
The vulnerability has a CVSS base score of 8.6, categorizing it as high severity due to its potential for causing a reboot through a crafted HTTP request.
Technical Details of CVE-2021-44380
Vulnerability Description
The issue lies in the cgiserver.cgi JSON command parser of the affected Reolink device, triggered by a specially-crafted HTTP request.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: RLC-410W v3.0.0.136_20121102
Exploitation Mechanism
The vulnerability can be exploited by an attacker sending a specific HTTP request, leading to a denial of service condition.
Mitigation and Prevention
Immediate Steps to Take
- Disable remote access if not needed
- Implement network segmentation
- Monitor network traffic for suspicious activities
Long-Term Security Practices
- Regularly update firmware and security patches
- Conduct security assessments and penetration testing
Patching and Updates
Stay informed about security updates from Reolink and apply patches promptly.