CVE-2022-24019CWE-120

A buffer overflow vulnerability exists in the GetValue functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14

Critical · published August 5, 2022

CVSS v3.0
9.6
EPSS
1%
Percentile
70.3
In the wild
Unconfirmed
What it is

🔥 A crafty configuration value is all it takes to trigger a critical buffer overflow in TCL LinkHub Mesh Wi-Fi devices! Think of it like a soda can that's been shaken too hard — when you pop the top, it explodes everywhere. In this case, an attacker can shake up the configuration, causing unexpected behavior in the system instead of just a fizzy mess. This buffer overflow could allow an attacker to execute arbitrary code, potentially leading to total control over the device. If the attacker succeeds, they could manipulate your network, steal sensitive data, or even bring down your Wi-Fi altogether — absolutely devastating!

Put simply

Think of it like a soda can that's been shaken too hard — when you pop the top, it explodes everywhere. In this case, an attacker can shake up the configuration, causing unexpected behavior in the system instead of just a fizzy mess. The vulnerability exists within the GetValue functionality of the netctrl binary, where a specially-crafted configuration value can overflow the buffer, allowing malicious code execution.

What to do

This buffer overflow could allow an attacker to execute arbitrary code, potentially leading to total control over the device. If the attacker succeeds, they could manipulate your network, steal sensitive data, or even bring down your Wi-Fi altogether — absolutely devastating! Update to the patched version of the firmware immediately to address CVE-2022-24019. Ensure that your device configurations are regularly reviewed and secured against unauthorized changes. Don't forget to implement strict access controls! You've got this! Follow these steps, and you'll have your devices locked down in no time. 🛡️

The record
Technical detail
CVSS v3.0
9.6 · CRITICAL
Vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01305 · 70.3th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2022-08-05T21:15Z
EPSS history
Timeline
  • 05 AUG 21:15Z
    A buffer overflow vulnerability exists in the GetValue functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14
    cvelistv5