CVE-2022-40602CWE-287

A flaw in the Zyxel LTE3301-M209 firmware verisons prior to V1.00(ABLG.6)C0 could allow a remote attacker to access the device using an improper pre-configured…

Critical · published November 22, 2022

CVSS v3.1
9.8
EPSS
1%
Percentile
64.4
In the wild
Unconfirmed
What it is

🚨 Picture this: a sneaky attacker could saunter into your network by simply using a pre-configured password on a Zyxel device. Talk about leaving the door wide open! 🔥 Think of it like a hotel with a master key that anyone with a certain reservation can use. If an administrator sets up a room without changing the default lock code, anyone who has that key can stroll right in and access everything inside. This critical flaw allows an attacker who can access the remote administration feature to bypass security and gain control over the device. They could manipulate settings, steal sensitive data, or even use the compromised device to launch attacks on your network. Yikes!

Put simply

Think of it like a hotel with a master key that anyone with a certain reservation can use. If an administrator sets up a room without changing the default lock code, anyone who has that key can stroll right in and access everything inside. The vulnerability in the Zyxel LTE3301-M209 firmware lets remote attackers exploit an improper pre-configured password if remote administration is enabled by an authenticated administrator. This means they could bypass authentication measures without any additional effort.

What to do

This critical flaw allows an attacker who can access the remote administration feature to bypass security and gain control over the device. They could manipulate settings, steal sensitive data, or even use the compromised device to launch attacks on your network. Yikes! Update the firmware to version V1.00(ABLG.6)C0 or later immediately. Additionally, ensure remote administration is disabled unless absolutely necessary, and always change default credentials to something strong and unique. 🛡️ You've got this! Take action now, and you'll lock down your device in no time. 💪✨

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01065 · 64.4th percentile
Weakness
CWE-287 · Improper Authentication
Published
2022-11-22T00:00Z
EPSS history
Timeline
  • 22 NOV 00:00Z
    A flaw in the Zyxel LTE3301-M209 firmware verisons prior to V1.00(ABLG.6)C0 could allow a remote attacker to access the device using an improper pre-configured…
    cvelistv5