CVE-2021-38530

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

Critical · published August 11, 2021

CVSS v3.1
9.6
EPSS
2%
Percentile
82.5
In the wild
Unconfirmed
What it is

🚨 Unauthenticated command injection is possible on several NETGEAR devices, allowing attackers to exploit them before you even know they're in! 🔥 Think of it like a pizza delivery person who delivers your dinner but can also help themselves to your entire fridge because no one checked their ID. This vulnerability means anyone could potentially serve themselves to powerful commands on your device without any verification! An attacker could perform nearly any action on your device—alter configurations, disrupt your network, or even access sensitive information. This could lead to a catastrophic compromise of your entire home or business network, putting your privacy at serious risk!

Put simply

Think of it like a pizza delivery person who delivers your dinner but can also help themselves to your entire fridge because no one checked their ID. This vulnerability means anyone could potentially serve themselves to powerful commands on your device without any verification! This command injection flaw allows unauthenticated users to execute arbitrary commands on vulnerable NETGEAR devices, impacting models like RBK40, RBR40, and more, all running versions prior to 2.5.1.16 (or 2.6.1.40 for RBS50Y).

What to do

An attacker could perform nearly any action on your device—alter configurations, disrupt your network, or even access sensitive information. This could lead to a catastrophic compromise of your entire home or business network, putting your privacy at serious risk! To mitigate this risk, immediately update your NETGEAR devices to version 2.5.1.16 or later for RBK40, RBR40, RBS40, RBK20, RBR20, RBS20, RBK50, RBR50, RBS50, and ensure to check for the latest firmware for RBS50Y as well. Regularly auditing your network settings is also a good practice! You've got this! Update those devices and secure your network like the hero you are! 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N
CVSS v4.0
Not supplied
EPSS
0.02217 · 82.5th percentile
Published
2021-08-11T00:00Z
EPSS history
Timeline
  • 11 AUG 00:00Z
    Certain NETGEAR devices are affected by command injection by an unauthenticated attacker
    cvelistv5