CVE-2019-20752 : Vulnerability Insights and Analysis

A stored XSS vulnerability impacts various NETGEAR devices, including D3600, D6000, D7800, DM200, R7800, R8900, R9000, RBK20, RBR20, RBS20, RBK40, RBS40, RBK50, RBR50, RBS50, WN3000RPv2, WN3000RPv3, WN3100RPv2, WNDR4300v2, WNDR4500v3, and WNR2000v5.

Understanding CVE-2019-20752

This CVE involves a stored XSS vulnerability affecting multiple NETGEAR devices.

What is CVE-2019-20752?

The stored XSS vulnerability impacts a range of NETGEAR devices, potentially allowing attackers to execute malicious scripts in the context of a user's session.

The Impact of CVE-2019-20752

The vulnerability has a CVSS base score of 4.8, indicating a medium severity issue with low confidentiality and integrity impacts. It requires high privileges and user interaction for exploitation.

Technical Details of CVE-2019-20752

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability allows for stored XSS attacks on the listed NETGEAR devices, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

The following NETGEAR devices are affected:

D3600 (version prior to 1.0.0.75)
D6000 (version prior to 1.0.0.75)
D7800 (version prior to 1.0.1.44)
DM200 (version prior to 1.0.0.58)
R7800 (version prior to 1.0.2.58)
R8900 (version prior to 1.0.4.12)
R9000 (version prior to 1.0.4.12)
RBK20, RBR20, RBS20, RBK40, RBS40 (version prior to 2.3.0.28)
RBK50, RBR50, RBS50 (version prior to 2.3.0.32)
WN3000RPv2 (version prior to 1.0.0.68)
WN3000RPv3 (version prior to 1.0.2.70)
WN3100RPv2 (version prior to 1.0.0.60)
WNDR4300v2 (version prior to 1.0.0.58)
WNDR4500v3 (version prior to 1.0.0.58)
WNR2000v5 (version prior to 1.0.0.68)

Exploitation Mechanism

The vulnerability can be exploited by an attacker with high privileges who interacts with the affected devices, injecting malicious scripts for execution.

Mitigation and Prevention

Protecting against CVE-2019-20752 requires immediate action and long-term security practices.

Immediate Steps to Take

Update the firmware of affected NETGEAR devices to the latest patched versions.
Monitor for any signs of unauthorized access or malicious activities on the network.

Long-Term Security Practices

Regularly update and patch all network devices to prevent known vulnerabilities.
Educate users on safe browsing habits and the risks of executing unknown scripts.

Patching and Updates

NETGEAR has released patches for the affected devices to address the stored XSS vulnerability. Ensure timely installation of these updates to secure your devices.