CVE-2020-35806 Explained : Impact and Mitigation

Certain NETGEAR devices are affected by stored XSS, impacting various router models. This vulnerability can lead to high confidentiality and integrity impacts.

Understanding CVE-2020-35806

Certain NETGEAR devices are susceptible to stored XSS attacks, potentially compromising user data and device integrity.

What is CVE-2020-35806?

Stored XSS vulnerability affecting multiple NETGEAR router models, including D7800, R7500v2, R7800, RAX120, and others.

The Impact of CVE-2020-35806

CVSS Base Score: 6 (Medium Severity)
Attack Complexity: Low
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: High
User Interaction: None
Scope: Unchanged

Technical Details of CVE-2020-35806

Stored XSS vulnerability in NETGEAR devices with the following details:

Vulnerability Description

Stored XSS vulnerability affecting various NETGEAR router models.

Affected Systems and Versions

D7800 before 1.0.1.56
R7500v2 before 1.0.3.46
R7800 before 1.0.2.68
RAX120 before 1.0.0.78
RBK22, RBR20, RBS20 before specific versions
RBK40, RBR40, RBS40 before specific versions
RBK50, RBR50, RBS50 before specific versions
WN3000RPv2 before 1.0.0.78

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the affected devices, potentially leading to unauthorized access and data theft.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2020-35806:

Immediate Steps to Take

Update affected devices to the latest firmware versions provided by NETGEAR.
Regularly monitor for security advisories and patches from the vendor.

Long-Term Security Practices

Implement network segmentation to isolate vulnerable devices.
Educate users on safe browsing habits and avoiding suspicious links.
Utilize network intrusion detection systems to detect and prevent XSS attacks.
Conduct regular security audits and penetration testing.

Patching and Updates

Apply patches and firmware updates promptly to address known vulnerabilities and enhance device security.