CVE-2021-44370 : What You Need to Know
Learn about CVE-2021-44370, a denial of service vulnerability in Reolink RLC-410W v3.0.0.136_20121102. Understand the impact, affected systems, exploitation mechanism, 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. An attacker can trigger a reboot by sending a specially-crafted HTTP request.
Understanding CVE-2021-44370
What is CVE-2021-44370?
This CVE describes a denial of service vulnerability in Reolink RLC-410W v3.0.0.136_20121102, where an attacker can induce a reboot via a malicious HTTP request.
The Impact of CVE-2021-44370
The vulnerability has a CVSS base score of 8.6 (High), allowing attackers to disrupt the service, leading to a denial of availability.
Technical Details of CVE-2021-44370
Vulnerability Description
- The vulnerability exists in the cgiserver.cgi JSON command parser functionality of the affected device.
- Triggering the vulnerability through a crafted HTTP request can result in 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
- Scope: Changed
- Impact: High
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches or updates once available.
- Restrict network access to affected devices.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch all devices in the network.
- Employ network segmentation to minimize the attack surface.
Patching and Updates
It is crucial to monitor vendor communications for patch releases and apply them promptly.