CVE-2021-45661 Explained : Impact and Mitigation
Learn about CVE-2021-45661 impacting certain NETGEAR devices with a server-side injection vulnerability. Find out affected models and versions, mitigation steps, and prevention measures.
Certain NETGEAR devices are affected by a server-side injection vulnerability, impacting multiple models before specific firmware versions.
Understanding CVE-2021-45661
What is CVE-2021-45661?
Certain NETGEAR devices are vulnerable to server-side injection, affecting various models before specific firmware versions.
The Impact of CVE-2021-45661
The vulnerability has a CVSS base score of 7.1, with high impacts on confidentiality and integrity, requiring low privileges.
Technical Details of CVE-2021-45661
Vulnerability Description
- Server-side injection vulnerability affects RBK40, RBR40, RBS40, RBK20, RBR20, RBS20, RBK50, RBR50, RBS50, and RBS50Y.
Affected Systems and Versions
- RBK40, RBR40, RBS40 before 2.5.1.16
- RBK20, RBR20, RBS20 before 2.5.1.16
- RBK50, RBR50, RBS50 before 2.5.1.16
- RBS50Y before 2.6.1.40
Exploitation Mechanism
The vulnerability allows attackers to inject and execute malicious code on affected devices.
Mitigation and Prevention
Immediate Steps to Take
- Update devices to the latest firmware versions.
- Monitor network traffic for suspicious activities.
Long-Term Security Practices
- Regularly update firmware and security patches.
- Implement network segmentation and access controls.
Patching and Updates
Ensure timely installation of security patches and firmware updates to mitigate the risk of exploitation.