CVE-2019-13153 : Security Advisory and Response

A vulnerability has been identified in the firmware of TRENDnet TEW-827DRU, allowing for command injection in apply.cgi, specifically in the Add Virtual Server function.

Understanding CVE-2019-13153

This CVE refers to a command injection vulnerability in TRENDnet TEW-827DRU firmware versions prior to 2.05B11.

What is CVE-2019-13153?

This vulnerability enables attackers to execute commands through the Private Port parameter in the Add Virtual Server function, even when authentication is in place.

The Impact of CVE-2019-13153

The vulnerability could lead to unauthorized command execution, potentially compromising the device and network security.

Technical Details of CVE-2019-13153

The technical aspects of the CVE.

Vulnerability Description

Command injection vulnerability in TRENDnet TEW-827DRU firmware before version 2.05B11.

Affected Systems and Versions

TRENDnet TEW-827DRU firmware versions prior to 2.05B11.

Exploitation Mechanism

Exploitable via the Private Port parameter in the Add Virtual Server function.

Mitigation and Prevention

Steps to address the CVE.

Immediate Steps to Take

Update the firmware to version 2.05B11 or later.
Implement strong network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly monitor for firmware updates and apply them promptly.
Conduct security assessments to identify and mitigate similar vulnerabilities.

Patching and Updates

Regularly check for firmware updates from TRENDnet and apply them as soon as they are available.