CVE-2019-15656 Explained : Impact and Mitigation

D-Link DSL-2875AL and DSL-2877AL devices are vulnerable to information disclosure due to a specific exploit in versions 1.00.05 and below.

Understanding CVE-2019-15656

This CVE involves a vulnerability in D-Link DSL-2875AL and DSL-2877AL devices that allows attackers to disclose information through a crafted request.

What is CVE-2019-15656?

The vulnerability in D-Link DSL-2875AL and DSL-2877AL devices, versions 1.00.05 and below, enables attackers to exploit information disclosure by manipulating specific variables in the web management server.

The Impact of CVE-2019-15656

The exploitation of this vulnerability can lead to unauthorized access to sensitive information, posing a risk to the confidentiality of user credentials and potentially compromising the security of the affected devices.

Technical Details of CVE-2019-15656

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows attackers to extract sensitive information by sending a specially crafted request to the index.asp file on the web management server, targeting specific variables like username_v and password_v.

Affected Systems and Versions

D-Link DSL-2875AL and DSL-2877AL devices through version 1.00.05

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a manipulated request to the index.asp file on the web management server, focusing on the username_v and password_v variables.

Mitigation and Prevention

Protecting systems from CVE-2019-15656 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the affected devices to the latest firmware version provided by D-Link.
Monitor network traffic for any suspicious activities that might indicate exploitation attempts.

Long-Term Security Practices

Implement strong password policies and encourage regular password changes.
Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Regularly check for security advisories and updates from D-Link to patch known vulnerabilities and enhance the security posture of the devices.