CVE-2018-7034 : Exploit Details and Defense Strategies

Devices such as TRENDnet TEW-751DR v1.03B03, TEW-752DRU v1.03B01, and TEW733GR v1.03B01 can be subjected to authentication bypass if an AUTHORIZED_GROUP=1 value is used. This vulnerability is demonstrated by a request for getcfg.php.

Understanding CVE-2018-7034

This CVE entry describes a vulnerability in TRENDnet devices that can lead to authentication bypass.

What is CVE-2018-7034?

CVE-2018-7034 is a security vulnerability that affects TRENDnet TEW-751DR v1.03B03, TEW-752DRU v1.03B01, and TEW733GR v1.03B01 devices, allowing unauthorized access through an authentication bypass method.

The Impact of CVE-2018-7034

This vulnerability can result in unauthorized users gaining access to sensitive information or functionalities on the affected devices, compromising the security and privacy of the users.

Technical Details of CVE-2018-7034

This section provides more technical insights into the CVE-2018-7034 vulnerability.

Vulnerability Description

The vulnerability in TRENDnet devices allows an attacker to bypass authentication by utilizing the AUTHORIZED_GROUP=1 value, typically triggered by a request for getcfg.php.

Affected Systems and Versions

TRENDnet TEW-751DR v1.03B03
TRENDnet TEW-752DRU v1.03B01
TRENDnet TEW733GR v1.03B01

Exploitation Mechanism

The vulnerability can be exploited by sending a specific request for getcfg.php with the AUTHORIZED_GROUP=1 value, enabling unauthorized access to the device.

Mitigation and Prevention

Protecting systems from CVE-2018-7034 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable remote access if not required
Implement strong, unique passwords for device access
Monitor network traffic for any suspicious activities

Long-Term Security Practices

Regularly update device firmware to patch known vulnerabilities
Conduct security audits and penetration testing to identify and address potential weaknesses

Patching and Updates

Check for firmware updates provided by TRENDnet to address the authentication bypass vulnerability