CVE-2025-28038

TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setWebWlanIdx function through the…

Critical · published April 22, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
68.0
In the wild
Unconfirmed
What it is

🚨 A single web request is all it takes to unleash chaos! TOTOLINK EX1200T's setWebWlanIdx function allows pre-auth remote command execution, meaning attackers can run commands before even logging in. 🔥 Think of it like a restaurant where patrons are served at the kitchen door without a reservation — anyone can walk in and shout their order, regardless of who they are. This flaw lets intruders give commands to your router without needing any credentials! If exploited, attackers could gain complete control of the router, potentially hijacking your network or even launching further attacks on connected devices. This isn't just a minor inconvenience; it's an open invitation for malicious activities that could disrupt your home or office!

Put simply

Think of it like a restaurant where patrons are served at the kitchen door without a reservation — anyone can walk in and shout their order, regardless of who they are. This flaw lets intruders give commands to your router without needing any credentials! The vulnerability arises from a lack of proper input validation on the webWlanIdx parameter in the setWebWlanIdx function, allowing unauthorized users to execute arbitrary commands remotely before authentication. This puts the device at extreme risk.

What to do

If exploited, attackers could gain complete control of the router, potentially hijacking your network or even launching further attacks on connected devices. This isn't just a minor inconvenience; it's an open invitation for malicious activities that could disrupt your home or office! Immediately update your TOTOLINK EX1200T to version V4.1.2cu.5232_B20210713 or later to close this severe vulnerability. Ensure that any unnecessary remote access features are disabled to further protect your network. Regularly audit your settings to keep everything secure! You've got this! Follow these steps and you'll fortify your network 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
0.01204 · 68.0th percentile
Published
2025-04-22T00:00Z
EPSS history
Timeline
  • 22 APR 00:00Z
    TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setWebWlanIdx function through the…
    cvelistv5