CVE-2019-20720 : What You Need to Know

NETGEAR devices including D3600, D6000, D7800, R7500v2, R7800, R8900, R9000, WN2000RPTv3, WN3000RPv3, and WN3100RPv2 are impacted by a stored XSS vulnerability.

Understanding CVE-2019-20720

This CVE identifies a stored cross-site scripting vulnerability affecting various NETGEAR devices.

What is CVE-2019-20720?

CVE-2019-20720 is a security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2019-20720

The vulnerability can lead to unauthorized access, data theft, and potential compromise of affected devices.

Technical Details of CVE-2019-20720

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to store malicious scripts on affected NETGEAR devices, potentially leading to script execution in the context of a user's browser.

Affected Systems and Versions

D3600 (version prior to 1.0.0.76)
D6000 (version prior to 1.0.0.76)
D7800 (version prior to 1.0.1.47)
R7500v2 (version prior to 1.0.3.38)
R7800 (version prior to 1.0.2.52)
R8900 (version prior to 1.0.4.12)
R9000 (version prior to 1.0.4.12)
WN2000RPTv3 (version prior to 1.0.1.32)
WN3000RPv3 (version prior to 1.0.2.70)
WN3100RPv2 (version prior to 1.0.0.66)

Exploitation Mechanism

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

Mitigation and Prevention

Protecting against and addressing the CVE-2019-20720 vulnerability is crucial for maintaining device security.

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 about safe browsing practices and potential risks of cross-site scripting attacks.

Patching and Updates

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