Imagine connecting a new printer to your Wi-Fi network, and it just works with no manual setup, no entering complicated IP addresses. This convenience is made possible by UPnP (Universal Plug and Play), a protocol designed to make networking devices seamless.

 

While UPnP makes life easier for users, it also raises security concerns. Cybercriminals can exploit its open nature to launch attacks, access sensitive data, and take control of devices.

 

So, should you enable UPnP? Is it safe? And how can businesses protect themselves from its risks? 

 

In this guide, we’ll explore how UPnP works, its security risks, and how organizations can train employees to recognize cyber threats using CyberArrow Awareness Platform.

 

What is UPnP?

 

UPnP (Universal Plug and Play) is a network protocol that allows devices like computers, printers, gaming consoles, and smart TVs to discover each other and communicate without manual configuration.

 

How does UPnP work?

 

UPnP enables automatic port forwarding, meaning devices can request network access without user intervention. 

 

Here’s how it works:

 

1. Device discovery: When a device connects to a network, it announces itself.
2. Addressing: The device automatically gets an IP address from the router.
3. Communication setup: The device interacts with others, like a gaming console opening ports for online multiplayer games.

 

This process makes it easy for users but also creates security risks.

 

Is UPnP safe?

 

UPnP was designed for convenience, not security. It allows devices to open network ports automatically, which can be exploited by hackers.

 

Security risks of UPnP

 

• No authentication required: UPnP does not verify whether a device making a request is legitimate or malicious.

 

• Open to external attacks: If a hacker gains access to a compromised device, they can remotely control other devices on the network.

 

• Malware spread: Attackers can infect one device and spread malware across the network through open UPnP ports.

 

• Bypasses firewall protections: Normally, firewalls block unauthorized external access, but UPnP can override firewall settings without user knowledge.

 

These risks make UPnP a serious cyber security concern, especially for businesses.

 

Should I enable UPnP?

 

UPnP is helpful but risky. Here’s when you should enable or disable it:

 

✅ When to enable UPnP:

 

• You trust all devices on your network.
• You need automatic connections for gaming, streaming, or smart home devices.
• Your router has secure UPnP settings with access restrictions.

 

❌ When to disable UPnP:

 

• You work with sensitive data (e.g., finance, healthcare, or corporate networks).
• You don’t know all the devices connected to your network.
• You want to eliminate the risk of external cyberattacks.

 

For businesses, disabling UPnP is strongly recommended to prevent security breaches.

 

 

How can cyber attackers exploit UPnP?

 

Hackers use UPnP vulnerabilities to bypass security measures and gain control over devices. Common attack methods include:

 

• Remote code execution attacks: Attackers trick UPnP-enabled devices into executing malicious code, giving them full control.

 

• Unauthorized port forwarding: Hackers open network ports without user knowledge, exposing private devices to the internet.

 

• Botnet infections: Cybercriminals infect devices and turn them into botnets, using them for large-scale attacks.

 

Examples of UPnP cyberattacks

 

1. Mirai botnet attack (2016)

 

• The Mirai malware infected UPnP-enabled IoT devices, creating a massive botnet that launched one of the largest DDoS attacks in history.

 

2. EternalSilence UPnP exploit

 

• Cybercriminals used UPnP to modify firewall rules, exposing millions of devices to remote attacks.

 

3. CallStranger vulnerability (2020)

 

• A serious UPnP vulnerability allowed attackers to exfiltrate sensitive data and launch DoS attacks.

 

These real-world cases highlight why businesses should disable UPnP and train employees to recognize security risks.

 

Quick link: Is cyber security hard?

 

How to disable UPnP

 

Disabling UPnP reduces security risks and protects your network from cyberattacks.

 

Step-by-step guide to disable UPnP on your router

 

1. Log into Your Router: Open a web browser and enter your router’s IP address (e.g., 192.168.1.1).
2. Enter admin credentials: Use your username and password to access settings.
3. Find the UPnP settings: Look under Advanced Settings > Security > UPnP.
4. Disable UPnP: Toggle the option to OFF.
5. Save changes: Restart your router to apply the settings.

 

This simple action closes open network ports and strengthens your security.

 

The biggest risk? Untrained employees

 

Even if UPnP is disabled, cyber security threats don’t stop. The biggest vulnerability in any organization is human error. 

 

Employees often:

 

• Click on phishing emails.
• Download malicious files.
• Use weak passwords.

 

Without proper cyber security training, businesses remain at risk.

 

How CyberArrow Awareness Platform helps

 

CyberArrow Awareness Platform automates employee training, transforming your team into a human firewall.

 

Key Features:

 

✔ Automated Cyber security Training: Employees receive interactive lessons on security best practices.

 

✔ Simulated Phishing Attacks: Test employees with realistic phishing scenarios to measure awareness.

✔ Customizable Training Modules: Tailor training to your industry and compliance requirements.

✔ Detailed Reporting & Analytics: Track employee progress and identify security weaknesses.

 

Why businesses need it

 

• Reduces human error and security breaches.
• Strengthens cyber security culture across teams.
• Ensures compliance with security regulations.

 

UPnP is just one cyber security risk, proper employee training is the ultimate defense. With CyberArrow Awareness Platform, businesses can automate security training and protect against evolving cyber threats.

 

Read how CyberArrow awareness platform increased security awareness among Silal’s employees.

 

See what Silal has to say about CyberArrow Awareness Platform: