CVE-2021-45627

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

Critical · published December 26, 2021

CVSS v3.1
9.6
EPSS
2%
Percentile
76.6
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker can execute commands on certain NETGEAR devices with just a crafted input—talk about risky business! 🔥 Think of it like a restaurant where anyone can walk into the kitchen, place an order, and directly instruct the chefs to whip up something without any checks. No credentials needed, just a clever ruse to change the menu! If exploited, the attacker could gain complete control over the device, making it possible to manipulate network settings, access sensitive information, or even pivot to other devices on the network. This could lead to a full-blown security breach—absolutely devastating!

Put simply

Think of it like a restaurant where anyone can walk into the kitchen, place an order, and directly instruct the chefs to whip up something without any checks. No credentials needed, just a clever ruse to change the menu! This CVE involves a command injection vulnerability in certain NETGEAR devices, allowing unauthenticated users to run arbitrary commands via specially crafted input, posing a significant risk to device integrity and network security.

What to do

If exploited, the attacker could gain complete control over the device, making it possible to manipulate network settings, access sensitive information, or even pivot to other devices on the network. This could lead to a full-blown security breach—absolutely devastating! Immediately upgrade affected NETGEAR devices to version 4.6.3.6 or later for CBR750 and 3.2.17.12 or later for RBK852, RBR850, and RBS850. Regularly review device configurations and settings to ensure that no unauthorized changes have been made. 🔒 You've got this! Take action now to secure your network and keep those hackers at bay! 🛡️

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
0.01666 · 76.6th percentile
Published
2021-12-26T00:33Z
EPSS history
Timeline
  • 26 DEC 00:33Z
    Certain NETGEAR devices are affected by command injection by an unauthenticated attacker
    cvelistv5