CVE-2020-35839 : Exploit Details and Defense Strategies

Certain NETGEAR devices are affected by Stored XSS vulnerability.

Understanding CVE-2020-35839

Certain NETGEAR devices are vulnerable to Stored XSS, impacting various router models.

What is CVE-2020-35839?

Stored XSS vulnerability affects NETGEAR devices, including D7800, R7500v2, R7800, R8900, R9000, XR500, XR700, and RAX120.

The Impact of CVE-2020-35839

CVSS Base Score: 6.1 (Medium Severity)
Attack Complexity: Low
Attack Vector: Adjacent Network
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: High
Scope: Unchanged
User Interaction: None

Technical Details of CVE-2020-35839

Stored XSS vulnerability in NETGEAR devices.

Vulnerability Description

NETGEAR devices are prone to Stored XSS attacks.

Affected Systems and Versions

D7800 before 1.0.1.56
R7500v2 before 1.0.3.46
R7800 before 1.0.2.68
R8900 before 1.0.4.28
R9000 before 1.0.4.28
XR500 before 2.3.2.56
XR700 before 1.0.1.10
RAX120 before 1.0.0.78

Exploitation Mechanism

Attackers can exploit this vulnerability to execute malicious scripts on affected devices.

Mitigation and Prevention

Steps to secure and protect against CVE-2020-35839.

Immediate Steps to Take

Update affected devices to the latest firmware versions.
Disable remote management if not required.
Regularly monitor for unusual activities on the network.

Long-Term Security Practices

Implement strong password policies.
Conduct regular security audits and assessments.

Patching and Updates

NETGEAR has released patches to address the Stored XSS vulnerability in the affected devices.