CVE-2021-45617 : Vulnerability Insights and Analysis
Learn about CVE-2021-45617, a critical vulnerability in select NETGEAR devices allowing command injection by unauthenticated attackers. Find out affected systems and mitigation steps.
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This impacts various models before specific versions.
Understanding CVE-2021-45617
What is CVE-2021-45617?
CVE-2021-45617 is a vulnerability affecting certain NETGEAR devices, allowing exploitation via command injection by an unauthenticated attacker.
The Impact of CVE-2021-45617
This vulnerability has a CVSS base score of 9.8, making it critical. The impact includes high availability, confidentiality, and integrity impact without requiring privileges or user interaction.
Technical Details of CVE-2021-45617
Vulnerability Description
- Command injection vulnerability affecting certain NETGEAR devices
- Exploitable by an unauthenticated attacker
Affected Systems and Versions
- CBR40 before 2.5.0.24
- EAX20 before 1.0.0.48
- R7000 before 1.0.11.116, and many more
Exploitation Mechanism
- Attack complexity: Low
- Attack vector: Network
- Scope: Unchanged
Mitigation and Prevention
Immediate Steps to Take
- Update affected devices to the latest firmware
- Ensure network access control lists are in place
Long-Term Security Practices
- Regularly check for security advisories from vendors
- Implement network segmentation and access controls
Patching and Updates
Regularly apply security patches and updates provided by NETGEAR.