CVE-2017-15909 : Exploit Details and Defense Strategies

Devices manufactured by D-Link under the model DGS-1500 Ax prior to version 2.51B021 contain an inherent password that can be exploited by malicious individuals to gain unauthorized remote access and ultimately gain control over the device's shell.

Understanding CVE-2017-15909

D-Link DGS-1500 Ax devices before 2.51B021 have a hardcoded password, which allows remote attackers to obtain shell access.

What is CVE-2017-15909?

CVE-2017-15909 is a vulnerability found in D-Link DGS-1500 Ax devices before version 2.51B021, enabling unauthorized remote access due to a hardcoded password.

The Impact of CVE-2017-15909

The vulnerability allows malicious actors to gain unauthorized remote access to affected devices, potentially leading to complete control over the device's shell.

Technical Details of CVE-2017-15909

Vulnerability Description

Devices manufactured by D-Link under the model DGS-1500 Ax prior to version 2.51B021 have a hardcoded password vulnerability.

Affected Systems and Versions

Product: D-Link DGS-1500 Ax
Versions affected: Before 2.51B021

Exploitation Mechanism

Remote attackers can exploit the hardcoded password to gain unauthorized access and control over the device's shell.

Mitigation and Prevention

Immediate Steps to Take

Update affected devices to version 2.51B021 or later to eliminate the hardcoded password vulnerability.
Change default passwords to strong, unique ones to enhance security.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Implement network segmentation and access controls to limit unauthorized access.

Patching and Updates

Refer to D-Link's firmware patch notes for version 2.51.021 to apply the necessary security updates.