CVE-2021-29067

Certain NETGEAR devices are affected by authentication bypass

Critical · published March 23, 2021

CVSS v3.1
9.6
EPSS
1%
Percentile
49.5
In the wild
Unconfirmed
What it is

🚨 A careless authentication check is all it takes for attackers to waltz into your NETGEAR devices! 🔥 Imagine a restaurant where anyone can enter without showing a reservation, just because the host forgets to check the guest list. Once they’re in, they can order anything off the menu and even access the kitchen! This authentication bypass vulnerability lets attackers take full control of your NETGEAR devices, potentially allowing them to modify settings, steal data, or shut down your network. The risk is absolutely devastating, as they can change passwords and even exploit your home network for further attacks!

Put simply

Imagine a restaurant where anyone can enter without showing a reservation, just because the host forgets to check the guest list. Once they’re in, they can order anything off the menu and even access the kitchen! CVE-2021-29067 affects several NETGEAR devices prior to their latest firmware versions, enabling an attacker to bypass authentication due to a missing validation in the device's access controls.

What to do

This authentication bypass vulnerability lets attackers take full control of your NETGEAR devices, potentially allowing them to modify settings, steal data, or shut down your network. The risk is absolutely devastating, as they can change passwords and even exploit your home network for further attacks! To protect your network, immediately update your NETGEAR device firmware to the latest versions: RBW30 to at least 2.6.2.2, RBS40V to 2.6.2.4, and RBK series to 3.2.17.12 or higher. Don't forget to check for any additional security settings that can further tighten your defenses! You've got this! Follow these steps, and your network will be secure in no time! 🛡️

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
0.00629 · 49.5th percentile
Published
2021-03-23T07:00Z
EPSS history
Timeline
  • 23 MAR 07:00Z
    Certain NETGEAR devices are affected by authentication bypass
    cvelistv5