CVE-2019-19598 : Security Advisory and Response

D-Link DAP-1860 devices with versions prior to v1.04b03 Beta have a vulnerability that allows unauthorized access to administrator functions without authentication.

Understanding CVE-2019-19598

This CVE involves a security flaw in D-Link DAP-1860 devices that can be exploited to gain access to administrator functions without proper authentication.

What is CVE-2019-19598?

The vulnerability in D-Link DAP-1860 devices allows unauthorized users to access administrator functions without the need for authentication by manipulating the HNAP_AUTH header timestamp value.

The Impact of CVE-2019-19598

This vulnerability can lead to unauthorized access to critical administrator functions on the affected devices, potentially compromising the security and integrity of the network.

Technical Details of CVE-2019-19598

The technical aspects of the vulnerability in D-Link DAP-1860 devices.

Vulnerability Description

The flaw arises from the HNAP_AUTH header timestamp value, which can be exploited to bypass the authentication process and gain unauthorized access to administrator functions.

Affected Systems and Versions

Devices: D-Link DAP-1860
Versions: Prior to v1.04b03 Beta

Exploitation Mechanism

The vulnerability allows unauthorized users to match the timestamp value in the HNAP_AUTH header with the value stored in the /var/hnap/timestamp file, bypassing the authentication check function.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-19598.

Immediate Steps to Take

Update D-Link DAP-1860 devices to version v1.04b03 Beta or later to patch the vulnerability.
Monitor network activity for any unauthorized access attempts.

Long-Term Security Practices

Regularly update firmware and software to address security vulnerabilities.
Implement strong authentication mechanisms to prevent unauthorized access.

Patching and Updates

Apply patches and updates provided by D-Link to fix the vulnerability and enhance device security.