CVE-2021-45631

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
63.3
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker can exploit command injection on certain NETGEAR devices, making this a critical situation! 🔥 Think of it like a restaurant where anyone can place orders without being checked in — a recipe for chaos! A crafty assailant could send commands directly to the device, essentially writing their own menu without permission. This vulnerability allows an intruder to execute any command, leading to unauthorized access and full control over the device. Imagine if your internet router started obeying an attacker instead of you — they could change settings, siphon off data, and disrupt your network. This could be absolutely devastating for home and business users alike!

Put simply

Think of it like a restaurant where anyone can place orders without being checked in — a recipe for chaos! A crafty assailant could send commands directly to the device, essentially writing their own menu without permission. This command injection vulnerability affects NETGEAR devices, including CBR40, RBK752, and others, allowing unauthenticated attackers to send malicious commands that the device will execute. The flaw exists in the way these devices handle input from users, failing to properly sanitize and validate commands.

What to do

This vulnerability allows an intruder to execute any command, leading to unauthorized access and full control over the device. Imagine if your internet router started obeying an attacker instead of you — they could change settings, siphon off data, and disrupt your network. This could be absolutely devastating for home and business users alike! Immediately patch your NETGEAR devices to the latest versions: CBR40 to 2.5.0.24, CBR750 to 4.6.3.6, and others listed in the CVE. Ensure to review your network settings and consider implementing additional security measures like a firewall. Don't delay! You've got this! Fix this vulnerability today and protect your network like the security 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
0.01026 · 63.3th percentile
Published
2021-12-26T00:32Z
EPSS history
Timeline
  • 26 DEC 00:32Z
    Certain NETGEAR devices are affected by command injection by an unauthenticated attacker
    cvelistv5