CVE-2020-35227 : Vulnerability Insights and Analysis

A buffer overflow vulnerability in the access control section on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices allows attackers to inject IP addresses into the whitelist.

Understanding CVE-2020-35227

This CVE involves a critical buffer overflow issue in specific NETGEAR devices, potentially enabling unauthorized IP address injections.

What is CVE-2020-35227?

The vulnerability in NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices permits attackers to manipulate the whitelist by injecting IP addresses through a specific parameter in the administration web panel.

The Impact of CVE-2020-35227

This vulnerability could lead to unauthorized access to the affected devices, potentially compromising network security and allowing malicious activities.

Technical Details of CVE-2020-35227

This section provides in-depth technical insights into the vulnerability.

Vulnerability Description

The buffer overflow vulnerability in the access control section of NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices allows attackers to inject IP addresses into the whitelist using a specific parameter in the delete command.

Affected Systems and Versions

Devices: NETGEAR JGS516PE/GS116Ev2 v2.6.0.43
Versions: All versions prior to the patched release

Exploitation Mechanism

Attackers exploit the vulnerability by injecting malicious IP addresses via the checkedList parameter in the delete command, potentially bypassing access controls.

Mitigation and Prevention

Protecting systems from CVE-2020-35227 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches provided by NETGEAR promptly.
Restrict access to the administration web panel to trusted entities.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and security software on NETGEAR devices.
Conduct security audits and penetration testing to identify vulnerabilities.
Educate users on best practices for network security.

Patching and Updates

Ensure that the affected devices are updated with the latest firmware and security patches to mitigate the vulnerability effectively.