CVE-2019-17512 : Vulnerability Insights and Analysis

Certain D-Link DIR-412 A1-1.14WW routers have web interfaces that do not require authentication, allowing attackers to manipulate the router's log file.

Understanding CVE-2019-17512

What is CVE-2019-17512?

There are web interfaces on D-Link DIR-412 A1-1.14WW routers that lack authentication, enabling attackers to erase malicious activity traces by accessing log_clear.php.

The Impact of CVE-2019-17512

Exploiting this vulnerability allows attackers to clear the router's log file, covering up any unauthorized access or malicious actions.

Technical Details of CVE-2019-17512

Vulnerability Description

Lack of authentication on certain D-Link routers
Attackers can manipulate log files by accessing log_clear.php

Affected Systems and Versions

Product: D-Link DIR-412 A1-1.14WW
Version: n/a

Exploitation Mechanism

Attackers exploit the vulnerability by accessing log_clear.php through the act=clear&logtype=sysact command

Mitigation and Prevention

Immediate Steps to Take

Disable remote access to the router's web interface if not required
Regularly monitor the router's log files for any suspicious activities

Long-Term Security Practices

Implement strong authentication mechanisms for all network devices
Keep routers and firmware updated with the latest security patches
Conduct regular security audits and penetration testing

Patching and Updates

Check for firmware updates from D-Link and apply patches promptly