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CVE-2020-35229 : Exploit Details and Defense Strategies

Learn about CVE-2020-35229 affecting NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 switches. Attackers can gain admin privileges by reusing authentication tokens. Find mitigation steps here.

A vulnerability in NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices allows attackers to gain administrative privileges by reusing authentication tokens.

Understanding CVE-2020-35229

This CVE involves a security issue in NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 switches.

What is CVE-2020-35229?

The authentication token required for NSDP write requests is not properly invalidated, enabling attackers to reuse it and gain admin privileges.

The Impact of CVE-2020-35229

Attackers with network traffic access can exploit this vulnerability to effectively elevate their privileges to administrative levels.

Technical Details of CVE-2020-35229

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw allows the reuse of authentication tokens until a new token is generated, leading to unauthorized administrative access.

Affected Systems and Versions

        Product: NETGEAR JGS516PE/GS116Ev2
        Version: 2.6.0.43
        Status: Affected

Exploitation Mechanism

Attackers can intercept network traffic to capture and reuse authentication tokens, granting them unauthorized administrative control.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

        Monitor network traffic for any unauthorized access attempts or unusual activities.
        Regularly update and patch the affected NETGEAR devices to mitigate the vulnerability.

Long-Term Security Practices

        Implement strong network segmentation to limit access to critical systems.
        Enforce multi-factor authentication to enhance access control and security.

Patching and Updates

Apply the latest firmware updates provided by NETGEAR to address the authentication token reuse vulnerability.

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