CVE-2021-44354 : Exploit Details and Defense Strategies
Learn about CVE-2021-44354, a high-impact denial of service vulnerability in Reolink RLC-410W v3.0.0.136_20121102. Find out the impact, affected systems, exploitation details, and steps for mitigation.
Reolink RLC-410W v3.0.0.136_20121102 is vulnerable to multiple denial of service issues through the cgiserver.cgi JSON command parser.
Understanding CVE-2021-44354
What is CVE-2021-44354?
Multiple denial of service vulnerabilities exist in the Reolink RLC-410W v3.0.0.136_20121102, allowing attackers to trigger reboots via crafted HTTP requests.
The Impact of CVE-2021-44354
The vulnerability has a CVSS base score of 8.6 (High) with a high availability impact and low attack complexity.
Technical Details of CVE-2021-44354
Vulnerability Description
The cgiserver.cgi JSON command parser in Reolink RLC-410W v3.0.0.136_20121102 is susceptible to 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 specially-crafted HTTP requests to trigger reboots.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-supplied patches promptly
- Monitor network traffic for signs of exploitation
- Restrict access to vulnerable systems
Long-Term Security Practices
- Regularly update software and firmware
- Implement network segmentation and access controls
- Conduct regular security assessments
Patching and Updates
Vendor patches should be applied as soon as they are available to remediate the vulnerability.