CVE-2019-8317 : Vulnerability Insights and Analysis

A vulnerability has been identified in D-Link DIR-878 devices running firmware version 1.12A1, allowing unauthorized remote code execution.

Understanding CVE-2019-8317

This vulnerability, known as Command Injection, enables attackers to execute arbitrary code and gain root access through specially crafted requests.

What is CVE-2019-8317?

The vulnerability allows attackers to execute operating system commands via a malicious /HNAP1 POST request, exploiting untrusted data in the SetStaticRouteIPv6Settings API function.

The Impact of CVE-2019-8317

Unauthorized remote code execution
Root access compromise

Technical Details of CVE-2019-8317

The following technical details outline the specifics of the vulnerability.

Vulnerability Description

Command Injection vulnerability in D-Link DIR-878 devices
Allows execution of arbitrary OS commands
Triggered by untrusted data in the SetStaticRouteIPv6Settings API function

Affected Systems and Versions

D-Link DIR-878 devices with firmware version 1.12A1

Exploitation Mechanism

Attackers exploit the vulnerability by crafting malicious /HNAP1 POST requests
Utilize untrusted input in the DestNetwork field to execute arbitrary commands

Mitigation and Prevention

Protect your systems from CVE-2019-8317 with the following steps:

Immediate Steps to Take

Update D-Link DIR-878 devices to a patched firmware version
Implement network segmentation to limit the attack surface

Long-Term Security Practices

Regularly monitor and audit network traffic for suspicious activities
Conduct security training for employees on recognizing phishing attempts

Patching and Updates

Stay informed about security updates from D-Link
Apply patches promptly to mitigate known vulnerabilities