CVE-2019-20750 : What You Need to Know

Stored XSS vulnerabilities have been identified in certain NETGEAR devices, affecting multiple models and firmware versions.

Understanding CVE-2019-20750

What is CVE-2019-20750?

Certain NETGEAR devices are impacted by stored XSS vulnerabilities, including models like D7800, EX6150v2, R7500v2, R7800, R8900, R9000, WN2000RPTv3, WN3000RPv3, and WN3100RPv2.

The Impact of CVE-2019-20750

The vulnerability has a CVSS base score of 4.8, with medium severity. It requires high privileges for exploitation and can lead to low confidentiality and integrity impacts.

Technical Details of CVE-2019-20750

Vulnerability Description

Stored XSS vulnerabilities in NETGEAR devices allow attackers to inject malicious scripts into web pages viewed by users.

Affected Systems and Versions

D7800 (before 1.0.1.47)
EX6150v2 (before 1.0.1.76)
R7500v2 (before 1.0.3.38)
R7800 (before 1.0.2.52)
R8900 (before 1.0.4.12)
R9000 (before 1.0.4.12)
WN2000RPTv3 (before 1.0.1.32)
WN3000RPv3 (before 1.0.2.70)
WN3100RPv2 (before 1.0.0.66)

Exploitation Mechanism

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

Mitigation and Prevention

Immediate Steps to Take

Update affected devices to the latest firmware versions.
Regularly monitor for security advisories from NETGEAR.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Educate users about safe browsing practices and the risks of clicking on unknown links.
Use security tools like web application firewalls to detect and block XSS attacks.

Patching and Updates

Apply patches and firmware updates provided by NETGEAR to address the stored XSS vulnerabilities.