CVE-2021-45617

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

Critical · published December 26, 2021

CVSS v3.1
9.8
EPSS
2%
Percentile
81.2
In the wild
Unconfirmed
What it is

🔥 A sneaky command injection vulnerability lurks in NETGEAR routers, allowing unauthenticated attackers to issue commands without breaking a sweat! Think of it as a crafty delivery person who can slip a note directly into your mailbox without anyone checking their ID. Instead of just delivering packages, they can also send commands that could change everything inside your home network. An attacker could exploit this flaw to gain control over your device, leading to a complete takeover of your network! Imagine them altering settings, accessing sensitive data, or even launching further attacks on devices connected to your network — absolutely devastating!

Put simply

Think of it as a crafty delivery person who can slip a note directly into your mailbox without anyone checking their ID. Instead of just delivering packages, they can also send commands that could change everything inside your home network. This vulnerability allows an unauthenticated attacker to inject arbitrary commands into vulnerable NETGEAR devices, potentially compromising the device's operation and security. It affects several models, including CBR40, EAX20, and R7000, among others.

What to do

An attacker could exploit this flaw to gain control over your device, leading to a complete takeover of your network! Imagine them altering settings, accessing sensitive data, or even launching further attacks on devices connected to your network — absolutely devastating! To safeguard your network, immediately update your NETGEAR device to the latest firmware version available. Devices running versions prior to 2.5.0.24 for CBR40 and various other versions listed should be patched as soon as possible! You've got this! Follow these steps and secure your network like the superhero you are! 🦸‍♂️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N
CVSS v4.0
Not supplied
EPSS
0.02062 · 81.2th percentile
Published
2021-12-26T00:35Z
EPSS history
Timeline
  • 26 DEC 00:35Z
    Certain NETGEAR devices are affected by command injection by an unauthenticated attacker
    cvelistv5