CVE-2020-35836 Explained : Impact and Mitigation

Certain NETGEAR devices are affected by stored XSS vulnerabilities, impacting various router models.

Understanding CVE-2020-35836

This CVE identifies stored XSS vulnerabilities in specific NETGEAR router models.

What is CVE-2020-35836?

Stored XSS vulnerabilities affect NETGEAR routers, including D7800, R7500v2, R7800, R8900, R9000, XR500, XR700, and RAX120, before specific firmware versions.

The Impact of CVE-2020-35836

The vulnerability has a CVSS base score of 6.1, with high confidentiality and integrity impacts, requiring high privileges for exploitation.

Technical Details of CVE-2020-35836

Stored XSS vulnerability details and affected systems.

Vulnerability Description

Stored XSS vulnerability in NETGEAR routers
Affected models: D7800, R7500v2, R7800, R8900, R9000, XR500, XR700, RAX120

Affected Systems and Versions

D7800 before 1.0.1.56
R7500v2 before 1.0.3.46
R7800 before 1.0.2.74
R8900 before 1.0.4.28
R9000 before 1.0.4.28
XR500 before 2.3.2.56
XR700 before 1.0.1.10
RAX120 before 1.0.0.78

Exploitation Mechanism

The vulnerability can be exploited by an attacker with high privileges to execute malicious scripts on affected devices.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of the vulnerability.

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 router firmware to patch known vulnerabilities
Implement network segmentation to limit the impact of potential attacks
Educate users on safe browsing practices and avoiding suspicious links

Patching and Updates

NETGEAR has released patches for the affected router models to address the stored XSS vulnerability