CVE-2021-35973

NETGEAR WAC104 devices before 1.0.4.15 are affected by an authentication bypass vulnerability in /usr/sbin/mini_httpd, allowing an unauthenticated attacker to…

Critical · published June 30, 2021

CVSS v3.1
9.8
EPSS
3%
Percentile
87.5
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker can take over your NETGEAR WAC104 just by adding a simple string to the URL! 🔥 Think of it like a hotel receptionist who never checks IDs and gives out master keys to anyone who asks — all it takes is mentioning the right room number! This vulnerability allows attackers to change your web UI password and enable debug mode, gaining full access to your device under the guise of an admin. Once in, they could wreak havoc, control your network settings, and even access sensitive information — a total nightmare for any unsuspecting user!

Put simply

Think of it like a hotel receptionist who never checks IDs and gives out master keys to anyone who asks — all it takes is mentioning the right room number! The issue arises due to an authentication bypass vulnerability in the mini_httpd service, which allows attackers to perform actions simply by appending '&currentsetting.htm' to an HTTP query, facilitating unauthorized access to the device's settings and commands.

What to do

This vulnerability allows attackers to change your web UI password and enable debug mode, gaining full access to your device under the guise of an admin. Once in, they could wreak havoc, control your network settings, and even access sensitive information — a total nightmare for any unsuspecting user! To protect your devices, immediately upgrade to version 1.0.4.15 or higher. Additionally, ensure you regularly audit your network settings and change default passwords where applicable. Don't forget to enable security features that could mitigate unauthorized access! You've got this! Follow these steps and you’ll have your devices secured in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N
CVSS v4.0
Not supplied
EPSS
0.03064 · 87.5th percentile
Published
2021-06-30T14:41Z
EPSS history
Timeline
  • 30 JUN 14:41Z
    NETGEAR WAC104 devices before 1.0.4.15 are affected by an authentication bypass vulnerability in /usr/sbin/mini_httpd, allowing an unauthenticated attacker to…
    cvelistv5