CVE-2020-35821 Explained : Impact and Mitigation
Learn about CVE-2020-35821 affecting NETGEAR devices. Discover impacted systems, the severity of the vulnerability, and mitigation steps to secure your network.
Certain NETGEAR devices are affected by stored XSS vulnerability.
Understanding CVE-2020-35821
What is CVE-2020-35821?
Stored XSS vulnerability impacts various NETGEAR devices, including D7800, R7800, R8900, R9000, RAX120, and more.
The Impact of CVE-2020-35821
The vulnerability has a CVSS base score of 6.1, with high confidentiality and integrity impact.
Technical Details of CVE-2020-35821
Vulnerability Description
Stored XSS vulnerability affects multiple NETGEAR devices.
Affected Systems and Versions
- D7800 before 1.0.1.56
- R7800 before 1.0.2.74
- R8900 before 1.0.4.28
- R9000 before 1.0.4.28
- RAX120 before 1.0.0.78
- RBK20, RBR20, RBS20 before 2.3.5.26
- RBK40, RBR40, RBS40 before 2.3.5.30
- RBK50, RBR50, RBS50 before 2.3.5.30
- XR700 before 1.0.1.10
Exploitation Mechanism
The vulnerability requires high privileges and no user interaction, with an attack vector of adjacent network.
Mitigation and Prevention
Immediate Steps to Take
- Update affected devices to the latest firmware versions.
- Monitor for any suspicious activities on the network.
Long-Term Security Practices
- Regularly update firmware and security patches.
- Implement network segmentation to limit the impact of potential attacks.
- Educate users on safe browsing practices and avoiding suspicious links.
Patching and Updates
Apply patches provided by NETGEAR to address the stored XSS vulnerability.