CVE-2021-45628

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
56.9
In the wild
Unconfirmed
What it is

🚨 An unauthenticated command injection vulnerability can wreak havoc on multiple NETGEAR devices if left unchecked! 🔥 Think of your network like a restaurant: if the kitchen accepts any order without verifying it, someone could sneak in a bizarre recipe that ruins dinner. This command injection allows attackers to issue commands without any authentication, just like a rogue diner demanding special dishes that tarnish the whole meal! An attacker can execute arbitrary commands on the affected NETGEAR devices, leading to full control over the device. This could mean accessing sensitive data, disrupting network functionality, or even commandeering the device for malicious purposes! It's a security nightmare that could leave your entire network exposed.

Put simply

Think of your network like a restaurant: if the kitchen accepts any order without verifying it, someone could sneak in a bizarre recipe that ruins dinner. This command injection allows attackers to issue commands without any authentication, just like a rogue diner demanding special dishes that tarnish the whole meal! This vulnerability allows unauthenticated attackers to inject commands into specific NETGEAR devices, such as the CBR40 and RBK852 series, potentially leading to devastating system compromise.

What to do

An attacker can execute arbitrary commands on the affected NETGEAR devices, leading to full control over the device. This could mean accessing sensitive data, disrupting network functionality, or even commandeering the device for malicious purposes! It's a security nightmare that could leave your entire network exposed. To protect your network, update your NETGEAR devices to the latest firmware versions: CBR40 to 2.5.0.24 or later, RBK752, RBR750, and others to their respective fixes. It's critical to regularly check for updates and implement strong access controls to safeguard your devices. You've got this! With these fixes, you’ll boost your network's defenses 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
0.00822 · 56.9th 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