CVE-2021-45629

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

Critical · published December 26, 2021

CVSS v3.1
9.6
EPSS
1%
Percentile
57.2
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker can issue commands on certain NETGEAR devices with a simple HTTP request — think of it like someone ordering takeout without even needing to pay! 🔥 It's as if a restaurant allows anyone to place orders without checking if they have the right credentials — a recipe for chaos! Imagine the havoc that could ensue if malicious users start placing their own secret menu items! With this command injection vulnerability, an attacker could potentially gain full control over the device, leading to devastating consequences such as unauthorized access to the network or even complete disruption of services. This is no small matter; it's a golden ticket for cyber mischief!

Put simply

It's as if a restaurant allows anyone to place orders without checking if they have the right credentials — a recipe for chaos! Imagine the havoc that could ensue if malicious users start placing their own secret menu items! This vulnerability allows an unauthenticated attacker to execute arbitrary commands on affected NETGEAR devices—CBR750 before 4.6.3.6, RBK752/RBR750/RBS750/RBK852/RBR850/RBS850 before 3.2.17.12—exploiting weak input validation mechanisms.

What to do

With this command injection vulnerability, an attacker could potentially gain full control over the device, leading to devastating consequences such as unauthorized access to the network or even complete disruption of services. This is no small matter; it's a golden ticket for cyber mischief! To secure your devices, upgrade immediately to firmware version 4.6.3.6 for CBR750 or versions 3.2.17.12 for the RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850 models. Ensure you regularly check for updates to stay protected from similar vulnerabilities! This is fixable! Update those devices and you'll be standing tall as the guardian of your network! 🛡️

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
0.00832 · 57.2th 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