CVE-2022-44832

D-Link DIR-3040 device with firmware 120B03 was discovered to contain a command injection vulnerability via the SetTriggerLEDBlink function

Critical · published December 14, 2022

CVSS v3.1
9.8
EPSS
4%
Percentile
90.6
In the wild
Unconfirmed
What it is

🚨 An unprotected command is the key to chaos! The D-Link DIR-3040’s firmware has a critical command injection vulnerability that could turn your router into a hacker’s playground. 🔥 Think of it like a hotel front desk that allows anyone to send a request for a room change without verification — a guest could easily sneak into a suite uninvited! An attacker could exploit this vulnerability to execute arbitrary commands on the device, leading to complete control over your network. Imagine unauthorized access to all your devices — they could monitor traffic, intercept data, or even launch attacks on other systems. This could be absolutely devastating for your privacy and security!

Put simply

Think of it like a hotel front desk that allows anyone to send a request for a room change without verification — a guest could easily sneak into a suite uninvited! The vulnerability resides in the SetTriggerLEDBlink function of the router's firmware, allowing attackers to inject malicious commands without proper authentication or validation.

What to do

An attacker could exploit this vulnerability to execute arbitrary commands on the device, leading to complete control over your network. Imagine unauthorized access to all your devices — they could monitor traffic, intercept data, or even launch attacks on other systems. This could be absolutely devastating for your privacy and security! Update the firmware immediately to version 120B04 or higher to close this loophole. Additionally, consider implementing network segmentation to minimize potential damage and limit exposure. Regularly audit all devices connected to your network for any suspicious activity. You've got this! Follow these steps to secure your router, and you'll be one step closer to being a security hero! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.04046 · 90.6th percentile
Published
2022-12-14T00:00Z
EPSS history
Timeline
  • 14 DEC 00:00Z
    D-Link DIR-3040 device with firmware 120B03 was discovered to contain a command injection vulnerability via the SetTriggerLEDBlink function
    cvelistv5