CVE-2020-35837 : Vulnerability Insights and Analysis

Certain NETGEAR devices are affected by stored XSS vulnerabilities in various models. This CVE impacts D7800, R7500v2, R7800, R8900, R9000, RAX120, XR500, and XR700 routers.

Understanding CVE-2020-35837

This CVE involves stored cross-site scripting (XSS) vulnerabilities in specific NETGEAR router models.

What is CVE-2020-35837?

Stored XSS vulnerabilities in NETGEAR routers allow attackers to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized access or data theft.

The Impact of CVE-2020-35837

CVSS Base Score: 6.1 (Medium Severity)
Attack Vector: Adjacent Network
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: High

Technical Details of CVE-2020-35837

Stored XSS vulnerabilities in NETGEAR routers have the following technical details:

Vulnerability Description

The vulnerability allows attackers to store malicious scripts in the router's web interface, which can be executed when accessed by users.

Affected Systems and Versions

The following NETGEAR router models are affected:

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
RAX120 before 1.0.0.78
XR500 before 2.3.2.56
XR700 before 1.0.1.10

Exploitation Mechanism

Attackers with high privileges can exploit this vulnerability by injecting malicious scripts into the affected router models' web interfaces.

Mitigation and Prevention

To address CVE-2020-35837, follow these steps:

Immediate Steps to Take

Update the firmware of affected NETGEAR routers to the latest versions.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly check for security updates and patches from NETGEAR.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

NETGEAR has released patches for the affected router models. Ensure timely installation of these patches to mitigate the vulnerability.