CVE-2021-44408 : Security Advisory and Response
Learn about CVE-2021-44408, a high-severity vulnerability in the cgiserver.cgi JSON command parser of Reolink RLC-410W v3.0.0.136_20121102, enabling attackers to trigger reboots via crafted HTTP requests.
This CVE-2021-44408 involves a denial of service vulnerability 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-2021-44408
What is CVE-2021-44408?
The vulnerability exists in the JSON command parser of a specific version of the Reolink RLC-410W camera, enabling a denial of service attack.
The Impact of CVE-2021-44408
The vulnerability has a high severity rating with a CVSS base score of 8.6, allowing attackers to disrupt the service and potentially trigger reboots through crafted HTTP requests.
Technical Details of CVE-2021-44408
Vulnerability Description
The flaw lies in the cgiserver.cgi JSON command parser of the affected firmware version, leading to service disruption.
Affected Systems and Versions
- Product: Reolink RLC-410W
- Version: 3.0.0.136_20121102
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Availability Impact: High
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches or updates provided to address the vulnerability.
- Implement network segmentation to minimize the impact of potential attacks.
Long-Term Security Practices
- Regularly update firmware to protect against known vulnerabilities.
- Monitor network traffic for suspicious activities that could indicate exploitation attempts.
Patching and Updates
- Stay informed about security bulletins and advisories from the vendor.
- Follow best practices for cybersecurity to enhance overall protection.