CVE-2020-14081 Explained : Impact and Mitigation

TRENDnet TEW-827DRU devices through 2.06B04 contain multiple command injections in apply.cgi via the action send_log_email with the key auth_acname (or auth_passwd), allowing an authenticated user to run arbitrary commands on the device.

Understanding CVE-2020-14081

This CVE identifies multiple command injections in TRENDnet TEW-827DRU devices that can be exploited by authenticated users.

What is CVE-2020-14081?

The vulnerability in TRENDnet TEW-827DRU devices allows authenticated users to execute arbitrary commands through apply.cgi using the action send_log_email with specific keys.

The Impact of CVE-2020-14081

Exploitation of this vulnerability can lead to unauthorized execution of commands on the affected device, potentially compromising its security and integrity.

Technical Details of CVE-2020-14081

TRENDnet TEW-827DRU devices through version 2.06B04 are susceptible to command injections via apply.cgi.

Vulnerability Description

The vulnerability exists in the handling of the action send_log_email with the keys auth_acname or auth_passwd, enabling authenticated users to inject and execute arbitrary commands.

Affected Systems and Versions

Product: TRENDnet TEW-827DRU
Versions affected: Up to 2.06B04

Exploitation Mechanism

An authenticated user can exploit the vulnerability by manipulating the parameters in the apply.cgi script, specifically using the action send_log_email with the keys auth_acname or auth_passwd.

Mitigation and Prevention

Immediate action is crucial to mitigate the risks associated with CVE-2020-14081.

Immediate Steps to Take

Disable remote access if not required
Implement strong authentication mechanisms
Regularly monitor device logs for suspicious activities

Long-Term Security Practices

Keep devices up to date with the latest firmware
Conduct regular security assessments and penetration testing

Patching and Updates

Apply patches or updates provided by TRENDnet to address the vulnerability