CVE-2019-16920KEV · OVERDUE

D-Link Multiple Routers Command Injection Vulnerability

Critical · published September 27, 2019

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 100.0th percentile for exploit probability.

1652
days past CISA
deadline
CVSS v3.1
9.8
EPSS
100%
Percentile
100.0
In the wild
Confirmed
What it is

🚨 Unauthenticated remote code execution is lurking in D-Link devices like a surprise guest at a party! Just one crafty input could pave the way for chaos! 🔥 Think of it like a restaurant where the chef takes any order without checking what’s on the menu. An attacker can slip in a malicious request to the kitchen, leading to a full dinner of trouble for everyone at the table! If exploited, an attacker could take full control of the affected D-Link devices, potentially leading to data breaches, network manipulation, and all sorts of digital mischief. Imagine someone walking into your home and rearranging everything without your permission – absolutely devastating!

Put simply

Think of it like a restaurant where the chef takes any order without checking what’s on the menu. An attacker can slip in a malicious request to the kitchen, leading to a full dinner of trouble for everyone at the table! This vulnerability arises from an unchecked input in the 'PingTest' CGI on various D-Link router models, allowing attackers to inject arbitrary commands and execute them on the device without authentication.

What to do

If exploited, an attacker could take full control of the affected D-Link devices, potentially leading to data breaches, network manipulation, and all sorts of digital mischief. Imagine someone walking into your home and rearranging everything without your permission – absolutely devastating! Immediate steps include patching your devices to the latest firmware version provided by D-Link. If you’re using any of the affected models, it's crucial to disable unnecessary services that could be exploited while you patch and secure your systems. You've got this! With a little diligence, you can lock down your network and keep those pesky intruders out! 🛡️

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
0.99996 · 100.0th percentile
Published
2019-09-27T11:34Z
KEV added
2022-03-25 · due 2022-04-15
EPSS history
Timeline
  • 25 MAR 00:00Z
    Added to CISA KEV — remediate by Apr 15
    kev
  • 27 SEP 11:34Z
    Unauthenticated remote code execution occurs in D-Link products such as DIR-655C, DIR-866L, DIR-652, and DHP-1565
    cvelistv5