CVE-2018-21162

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker

High · published April 23, 2020

CVSS v3.0
8.8
EPSS
3%
Percentile
88.9
In the wild
Unconfirmed
What it is

🚨 A crafty command injection vulnerability is lurking in certain NETGEAR devices, waiting for an unauthenticated attacker to exploit it! ⚡ Think of it like a restaurant that allows anyone to place orders over the phone without verifying who they are — any random person could call up and request anything from the menu, even if they shouldn't be allowed to! An attacker could gain full control over your NETGEAR device, allowing them to execute any command they choose. This could lead to unauthorized access to your network, potential data breaches, and even the ability to launch further attacks from your device. The consequences could be absolutely devastating!

Put simply

Think of it like a restaurant that allows anyone to place orders over the phone without verifying who they are — any random person could call up and request anything from the menu, even if they shouldn't be allowed to! This vulnerability allows unauthenticated attackers to inject arbitrary commands into the affected NETGEAR devices, affecting multiple models running outdated firmware versions. By exploiting this flaw, attackers can execute system commands without proper authentication.

What to do

An attacker could gain full control over your NETGEAR device, allowing them to execute any command they choose. This could lead to unauthorized access to your network, potential data breaches, and even the ability to launch further attacks from your device. The consequences could be absolutely devastating! To remediate this vulnerability, immediately update your NETGEAR device firmware to the latest versions: D6400 to 1.0.0.78, EX6200 to 1.0.3.86, R6250 to 1.0.4.8, and others as listed. Regularly check for firmware updates and consider enabling additional security measures such as strong passwords and network segmentation. You've got this! By following these steps, you'll restore security to your devices in no time. 🛡️

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N
CVSS v4.0
Not supplied
EPSS
0.03437 · 88.9th percentile
Published
2020-04-23T20:16Z
EPSS history
Timeline
  • 23 APR 20:16Z
    Certain NETGEAR devices are affected by command injection by an unauthenticated attacker
    cvelistv5