CVE-2019-13155 : What You Need to Know

A vulnerability was found in the firmware of TRENDnet TEW-827DRU, prior to version 2.05B11, allowing for a command injection attack through the IP Address field in the Add Virtual Server feature.

Understanding CVE-2019-13155

This CVE identifies a command injection vulnerability in TRENDnet TEW-827DRU firmware.

What is CVE-2019-13155?

This vulnerability enables a command injection attack via the IP Address field in the Add Virtual Server feature, requiring authentication for successful exploitation.

The Impact of CVE-2019-13155

The vulnerability could be exploited by attackers to execute arbitrary commands on the affected system, potentially leading to unauthorized access or further compromise.

Technical Details of CVE-2019-13155

This section provides technical insights into the vulnerability.

Vulnerability Description

The issue exists in TRENDnet TEW-827DRU firmware before version 2.05B11, allowing command injection in apply.cgi with authentication via the IP Address in Add Virtual Server.

Affected Systems and Versions

Affected System: TRENDnet TEW-827DRU
Vulnerable Versions: Firmware versions prior to 2.05B11

Exploitation Mechanism

The exploit involves injecting malicious commands through the IP Address field in the Add Virtual Server feature, requiring authentication for successful execution.

Mitigation and Prevention

Protecting systems from CVE-2019-13155 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update to firmware version 2.05B11 or later to mitigate the vulnerability.
Monitor network traffic for any suspicious activity that could indicate an exploitation attempt.

Long-Term Security Practices

Implement strong authentication mechanisms to prevent unauthorized access.
Regularly update firmware and apply security patches to address known vulnerabilities.

Patching and Updates

Regularly check for firmware updates from TRENDnet and apply them promptly to ensure system security.