CVE-2021-45609

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker

Critical · published December 26, 2021

CVSS v3.1
9.6
EPSS
1%
Percentile
68.9
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker can trigger a critical buffer overflow in certain NETGEAR devices, opening the door to chaos! 🔥 Think of it like a delivery van that, instead of following the right route to your house, drives straight into your living room. Once inside, it can cause all sorts of mayhem before anyone even knows what's happening! An attacker exploiting this vulnerability could gain control of your device, wreaking havoc by altering configurations or even using it as a launchpad for further attacks on your network. It's absolutely devastating with potential consequences that can compromise your entire online security!

Put simply

Think of it like a delivery van that, instead of following the right route to your house, drives straight into your living room. Once inside, it can cause all sorts of mayhem before anyone even knows what's happening! This buffer overflow vulnerability in specific NETGEAR devices allows an unauthenticated attacker to execute arbitrary code by sending crafted packets, leading to unauthorized access and control of the device.

What to do

An attacker exploiting this vulnerability could gain control of your device, wreaking havoc by altering configurations or even using it as a launchpad for further attacks on your network. It's absolutely devastating with potential consequences that can compromise your entire online security! Immediately patch your NETGEAR device to versions 1.0.3.58 for D8500, 1.0.4.48 for R6250, and similar updates for all affected models listed. If you can't update right away, consider disabling remote management to minimize risk. You've got this! With these steps, you can lock down your network and keep those unauthorized visitors out! 🛡️

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
0.01238 · 68.9th percentile
Published
2021-12-26T00:37Z
EPSS history
Timeline
  • 26 DEC 00:37Z
    Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker
    cvelistv5