CVE-2023-43892

Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability via the Hostname parameter within the WAN settings

Critical · published October 2, 2023

CVSS v3.1
9.8
EPSS
2%
Percentile
82.7
In the wild
Unconfirmed
What it is

🚨 A sneaky command injection vulnerability lurks in the WAN settings of Netis N3Mv2-V1.0.1.865! Just a little crafted input can explode into total chaos. 🔥 Think of it like a hotel receptionist taking a guest's word for it that they have a reservation without verifying—allowing anyone to check in under any name! If exploited, an attacker could execute arbitrary commands on the device, potentially taking full control of your network. This means they could snoop on your data, change your settings, or hijack your entire internet connection—absolutely devastating!

Put simply

Think of it like a hotel receptionist taking a guest's word for it that they have a reservation without verifying—allowing anyone to check in under any name! This vulnerability allows attackers to inject commands via the Hostname parameter in WAN settings, which the device processes without proper validation, enabling unauthorized control.

What to do

If exploited, an attacker could execute arbitrary commands on the device, potentially taking full control of your network. This means they could snoop on your data, change your settings, or hijack your entire internet connection—absolutely devastating! To protect your network, patch your Netis device to the latest firmware version immediately. Review your WAN settings and ensure only trusted hosts are allowed to connect. Remember to disable remote management if it's not needed! You've got this! By following these steps, you can lock down your device and keep those intruders at bay! 🛡️

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
0.02244 · 82.7th percentile
Published
2023-10-02T00:00Z
EPSS history
Timeline
  • 02 OCT 00:00Z
    Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability via the Hostname parameter within the WAN settings
    cvelistv5