CVE-2018-21131

Certain NETGEAR devices are affected by unauthenticated firmware downgrade

High · published April 23, 2020

CVSS v3.0
8.1
EPSS
1%
Percentile
70.3
In the wild
Unconfirmed
What it is

⚡ An attacker can roll back your NETGEAR WAC505 or WAC510 firmware to an older version with just a few clicks! Think of it like a sneaky thief who finds an unlocked window and rewinds your smart home system to factory defaults, completely bypassing your security measures. It's like letting your home fall back into the past, where all the old vulnerabilities are waiting! This unauthenticated firmware downgrade could leave your devices exposed to known exploits that were patched in newer versions. An attacker could gain unauthorized access, potentially compromising your entire network and all connected devices. Yikes!

Put simply

Think of it like a sneaky thief who finds an unlocked window and rewinds your smart home system to factory defaults, completely bypassing your security measures. It's like letting your home fall back into the past, where all the old vulnerabilities are waiting! The vulnerability allows unauthenticated users to downgrade the firmware of affected NETGEAR devices, specifically WAC505 and WAC510, to a version that may harbor serious security flaws. As a result, attackers can exploit these vulnerabilities to gain unauthorized access.

What to do

This unauthenticated firmware downgrade could leave your devices exposed to known exploits that were patched in newer versions. An attacker could gain unauthorized access, potentially compromising your entire network and all connected devices. Yikes! To secure your devices, immediately upgrade to firmware version 5.0.0.17 or later. Regularly check for firmware updates from NETGEAR and enable automatic updates if available. Don't leave your network's front door open! You've got this! Follow these steps to lock down your network and keep those digital intruders at bay! 🛡️

The record
Technical detail
CVSS v3.0
8.1 · HIGH
Vector
CVSS:3.0/AC:L/AV:A/A:H/C:N/I:H/PR:N/S:U/UI:N
CVSS v4.0
Not supplied
EPSS
0.01311 · 70.3th percentile
Published
2020-04-23T19:39Z
EPSS history
Timeline
  • 23 APR 19:39Z
    Certain NETGEAR devices are affected by unauthenticated firmware downgrade
    cvelistv5