CVE-2020-35783 : Security Advisory and Response

Certain NETGEAR devices are affected by lack of access control at the function level, impacting various models. The vulnerability allows unauthenticated remote attackers to access switch configuration parameters.

Understanding CVE-2020-35783

This CVE identifies a security vulnerability in NETGEAR devices that can be exploited by remote attackers.

What is CVE-2020-35783?

CVE-2020-35783 is a vulnerability in NETGEAR devices that lack access control at the function level, affecting specific models.

The Impact of CVE-2020-35783

The vulnerability allows unauthenticated remote attackers to obtain all switch configuration parameters by sending specific read requests.

Technical Details of CVE-2020-35783

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in NETGEAR devices allows unauthenticated remote attackers to access switch configuration parameters.

Affected Systems and Versions

JGS516PE before 2.6.0.48
GS116Ev2 before 2.6.0.48
JGS524Ev2 before 2.6.0.48
JGS524PE before 2.6.0.48

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
Confidentiality Impact: High
Integrity Impact: None
Privileges Required: None
User Interaction: None
Vector String: CVSS:3.1/AC:L/AV:A/A:N/C:H/I:N/PR:N/S:U/UI:N

Mitigation and Prevention

Steps to address and prevent the CVE-2020-35783 vulnerability.

Immediate Steps to Take

Apply security patches provided by NETGEAR.
Restrict network access to vulnerable devices.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and software on NETGEAR devices.
Implement strong access control measures.
Conduct security audits and assessments periodically.

Patching and Updates

Ensure all affected devices are updated with the latest firmware and security patches.