CVE-2022-27003

Totolink routers s X5000R V9.1.0u.6118_B20201102 and A7000R V9.1.0u.6115_B20201022 were discovered to contain a command injection vulnerability in the Tunnel…

High · published March 15, 2022

CVSS v3.1
8.8
EPSS
3%
Percentile
86.9
In the wild
Unconfirmed
What it is

⚡ A crafty command injection vulnerability lurks in Totolink routers, affecting models X5000R and A7000R! 🚨 Just one malicious request can let attackers execute arbitrary commands! Think of the 6rd function as a delivery service that accepts any package without checking who sent it. A nefarious delivery driver could slip in anything, and before you know it, your network is compromised! An attacker could remotely execute commands on the router, gaining control over your network and potentially accessing sensitive data. This could lead to unauthorized access, data leaks, and severe disruption of your internet services — absolutely devastating!

Put simply

Think of the 6rd function as a delivery service that accepts any package without checking who sent it. A nefarious delivery driver could slip in anything, and before you know it, your network is compromised! This vulnerability allows attackers to exploit the 'relay6rd' parameter in the Tunnel 6rd function, enabling command injection through specially crafted requests.

What to do

An attacker could remotely execute commands on the router, gaining control over your network and potentially accessing sensitive data. This could lead to unauthorized access, data leaks, and severe disruption of your internet services — absolutely devastating! Update your Totolink router firmware to the latest versions: X5000R V9.1.0u.6119_B20201102 or A7000R V9.1.0u.6116_B20201022. Additionally, review your router's configuration to ensure that no unauthorized changes have been made. 🚀 You've got this! By following these steps, you can secure your network and maintain your hero status! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02903 · 86.9th percentile
Published
2022-03-15T21:56Z
EPSS history
Timeline
  • 15 MAR 21:56Z
    Totolink routers s X5000R V9.1.0u.6118_B20201102 and A7000R V9.1.0u.6115_B20201022 were discovered to contain a command injection vulnerability in the Tunnel…
    cvelistv5