CVE-2021-45507

Certain NETGEAR devices are affected by authentication bypass

Critical · published December 26, 2021

CVSS v3.1
9.6
EPSS
2%
Percentile
74.5
In the wild
Unconfirmed
What it is

🚨 An authentication bypass in several NETGEAR devices means attackers can slip past security like a guest using a fake name at a hotel — and it’s easier than you think! 🔥 Imagine someone checking into a hotel room with a forged ID. They gain access to all the amenities without ever proving who they really are. That’s what’s happening here, as unauthorized users can access the affected NETGEAR devices without a proper login. This vulnerability is absolutely devastating! An attacker can access sensitive configurations and perhaps even take control of the network, leading to data breaches or malicious activities. Essentially, it opens the door to a hacker’s playground right from your home!

Put simply

Imagine someone checking into a hotel room with a forged ID. They gain access to all the amenities without ever proving who they really are. That’s what’s happening here, as unauthorized users can access the affected NETGEAR devices without a proper login. The authentication bypass vulnerability affects specific NETGEAR router models, allowing unauthenticated individuals to access the device management interface due to missing or inadequate checks.

What to do

This vulnerability is absolutely devastating! An attacker can access sensitive configurations and perhaps even take control of the network, leading to data breaches or malicious activities. Essentially, it opens the door to a hacker’s playground right from your home! To secure your devices, immediately update to the latest firmware versions: CBR40 to 2.5.0.24, CBR750 to 4.6.3.6, and all other affected models to their respective patched versions listed. Regularly check for firmware updates to keep your security tight! You've got this! Patch those devices, and you'll be a security hero 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
0.01525 · 74.5th percentile
Published
2021-12-26T01:02Z
EPSS history
Timeline
  • 26 DEC 01:02Z
    Certain NETGEAR devices are affected by authentication bypass
    cvelistv5