CVE-2019-13278 : Security Advisory and Response

The TRENDnet TEW-827DRU router, up to version 2.04B03 of its firmware, has a security flaw that allows unauthorized users to execute arbitrary commands on the device. This vulnerability can be exploited locally or remotely.

Understanding CVE-2019-13278

This CVE identifies a command injection vulnerability in the TRENDnet TEW-827DRU router's firmware.

What is CVE-2019-13278?

The vulnerability in the TRENDnet TEW-827DRU router allows unauthorized users to run arbitrary commands on the device, compromising its security.

The Impact of CVE-2019-13278

The security flaw enables attackers to execute commands on the router, potentially leading to unauthorized access and control over the device.

Technical Details of CVE-2019-13278

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in the TRENDnet TEW-827DRU router's firmware allows for multiple command injections during user input processing, enabling unauthenticated users to execute arbitrary commands.

Affected Systems and Versions

Product: TRENDnet TEW-827DRU router
Firmware Versions: Up to and including 2.04B03

Exploitation Mechanism

The vulnerability occurs during the setup wizard's user input processing, making it exploitable both locally within the intranet and remotely if remote administration is enabled.

Mitigation and Prevention

Protecting systems from CVE-2019-13278 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable remote administration if not required
Apply firmware updates provided by TRENDnet
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Regularly update router firmware to patch known vulnerabilities
Implement strong network segmentation to limit the impact of potential breaches

Patching and Updates

Check TRENDnet's official website for firmware updates addressing CVE-2019-13278