CVE-2021-44356 Explained : Impact and Mitigation
Multiple denial of service vulnerabilities in Reolink RLC-410W v3.0.0.136_20121102 allow attackers to trigger reboots. Learn about the impact, affected systems, exploitation, and mitigation steps.
A denial of service vulnerability in Reolink RLC-410W v3.0.0.136_20121102 allows attackers to trigger reboots via crafted HTTP requests.
Understanding CVE-2021-44356
What is CVE-2021-44356?
Multiple denial of service vulnerabilities exist in the cgiserver.cgi JSON command parser functionality of Reolink RLC-410W v3.0.0.136_20121102.
The Impact of CVE-2021-44356
The vulnerability has a CVSS base score of 8.6 (High), with a high availability impact. Attackers can remotely trigger reboots through specially-crafted HTTP requests.
Technical Details of CVE-2021-44356
Vulnerability Description
The flaw resides in the JSON command parser of Reolink RLC-410W v3.0.0.136_20121102, enabling denial of service attacks.
Affected Systems and Versions
- Product: RLC-410W
- Vendor: Reolink
- Version: v3.0.0.136_20121102
Exploitation Mechanism
Attackers can exploit this vulnerability by sending malicious HTTP requests to the cgiserver.cgi JSON command parser.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches promptly.
- Implement network-level controls to restrict access.
Long-Term Security Practices
- Regularly update firmware and security configurations.
- Conduct security assessments and penetration testing.
Patching and Updates
Keep abreast of security advisories and install patches to address known vulnerabilities.