CVE-2025-29064

An issue in TOTOLINK x18 v.9.1.0cu.2024_B20220329 allows a remote attacker to execute arbitrary code via the sub_410E54 function of the cstecgi.cgi

Critical · published April 3, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
55.9
In the wild
Unconfirmed
What it is

🚨 A remote attacker can execute arbitrary code with just one function call! TOTOLINK x18’s sub_410E54 is the sneaky culprit in this critical vulnerability. 🔥 Think of this like a guest at a party who manages to slip past the bouncer and take over the DJ booth — anyone who can send a request can control the whole playlist, or in this case, your device! 🎶 If exploited, an attacker could take full control of your TOTOLINK x18 router, potentially capturing sensitive data, altering network configurations, or launching attacks on other devices connected to the network. It’s absolutely devastating to have your network hijacked this way! ⚠️

Put simply

Think of this like a guest at a party who manages to slip past the bouncer and take over the DJ booth — anyone who can send a request can control the whole playlist, or in this case, your device! 🎶 This vulnerability allows remote code execution through the cstecgi.cgi component, specifically via the sub_410E54 function, which doesn't sufficiently check inputs before executing commands.

What to do

If exploited, an attacker could take full control of your TOTOLINK x18 router, potentially capturing sensitive data, altering network configurations, or launching attacks on other devices connected to the network. It’s absolutely devastating to have your network hijacked this way! ⚠️ Immediately patch your TOTOLINK x18 to version 9.1.0cu.2024_B20220330 or later. Additionally, consider changing your router’s default settings to enhance security, and monitor your network for any unusual activity. 🛡️ You've got this! Stay vigilant and follow these steps to secure your device! ✨

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
0.00793 · 55.9th percentile
Published
2025-04-03T00:00Z
EPSS history
Timeline
  • 03 APR 00:00Z
    An issue in TOTOLINK x18 v.9.1.0cu.2024_B20220329 allows a remote attacker to execute arbitrary code via the sub_410E54 function of the cstecgi.cgi
    cvelistv5