CVE-2017-14428 : Security Advisory and Response

D-Link DIR-850L devices with specific firmware versions exhibit a vulnerability with directory permissions.

Understanding CVE-2017-14428

The vulnerability identified as CVE-2017-14428 affects D-Link DIR-850L routers.

What is CVE-2017-14428?

The D-Link DIR-850L REV. A and REV. B devices have insecure permissions on the /var/run/hostapd* directory.

The Impact of CVE-2017-14428

This vulnerability could allow unauthorized access to sensitive information on the affected devices.

Technical Details of CVE-2017-14428

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The D-Link DIR-850L REV. A and REV. B devices have 0666 permissions on the /var/run/hostapd* directory.

Affected Systems and Versions

Product: D-Link DIR-850L
Firmware versions: REV. A with FW114WWb07_h2ab_beta1 and REV. B with FW208WWb02

Exploitation Mechanism

Attackers could exploit the insecure permissions to gain unauthorized access to critical system files.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2017-14428:

Immediate Steps to Take

Disable remote access if not required
Regularly monitor network activity for any suspicious behavior

Long-Term Security Practices

Keep firmware updated with the latest patches
Implement strong password policies and access controls

Patching and Updates

Ensure that the firmware on D-Link DIR-850L devices is updated to the latest version to mitigate the vulnerability.