CVE-2023-51014

TOTOLINK EX1800T V9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanSecDns parameter’ of the setLanConfig interface of…

High · published December 22, 2023

CVSS v3.1
8.8
EPSS
1%
Percentile
63.9
In the wild
Unconfirmed
What it is

⚡ A crafty command execution flaw lurks in the TOTOLINK EX1800T that could let an attacker run arbitrary commands like a magician pulling rabbits from a hat! 🎩✨ Think of it like a poorly secured restaurant where anyone can walk into the kitchen and prepare their own meal without a chef’s approval. This vulnerability allows attackers to access critical functions without proper authentication. An attacker could exploit this vulnerability to execute commands on the device, potentially leading to complete control over the router. This could result in unauthorized access to sensitive data or even hijacking of the network, making it a serious threat!

Put simply

Think of it like a poorly secured restaurant where anyone can walk into the kitchen and prepare their own meal without a chef’s approval. This vulnerability allows attackers to access critical functions without proper authentication. The vulnerability exists in the lanSecDns parameter of the setLanConfig interface of the cstecgi.cgi script, allowing unauthorized users to execute arbitrary commands.

What to do

An attacker could exploit this vulnerability to execute commands on the device, potentially leading to complete control over the router. This could result in unauthorized access to sensitive data or even hijacking of the network, making it a serious threat! To protect your network, update the TOTOLINK EX1800T firmware to version V9.1.0cu.2112_B20220316 or later. Additionally, ensure that you configure strong authentication and regularly audit your network settings to catch any other potential issues. You've got this! Follow these steps, and you'll have your network secured in no time! 🛡️

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
0.01049 · 63.9th percentile
Published
2023-12-22T00:00Z
EPSS history
Timeline
  • 22 DEC 00:00Z
    TOTOLINK EX1800T V9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanSecDns parameter’ of the setLanConfig interface of…
    cvelistv5