CVE-2024-32286

Tenda W30E v1.0 V1.0.1.25(633) firmware has a stack overflow vulnerability located via the page parameter in the fromVirtualSer function

Critical · published April 17, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
55.3
In the wild
Unconfirmed
What it is

🚨 A stack overflow vulnerability in Tenda W30E can unleash a wave of chaos with just a crafty input! 🔥 Imagine a waiter trying to balance too many plates on one arm; the moment they overload, everything comes crashing down. In this case, the 'fromVirtualSer' function is that waiter, and when bombarded with excessive data, it fails spectacularly. An attacker can send a specially crafted request that leads to a stack overflow, potentially allowing them to execute arbitrary code or crash the device entirely. This could mean unauthorized access to network settings, data exposure, or even complete control over the device — an absolute disaster waiting to happen!

Put simply

Imagine a waiter trying to balance too many plates on one arm; the moment they overload, everything comes crashing down. In this case, the 'fromVirtualSer' function is that waiter, and when bombarded with excessive data, it fails spectacularly. This vulnerability exists in the Tenda W30E firmware where the 'fromVirtualSer' function does not properly validate the 'page' parameter, allowing for a stack overflow when overloaded with data.

What to do

An attacker can send a specially crafted request that leads to a stack overflow, potentially allowing them to execute arbitrary code or crash the device entirely. This could mean unauthorized access to network settings, data exposure, or even complete control over the device — an absolute disaster waiting to happen! To safeguard against this vulnerability, update the firmware to the latest version immediately. It’s also wise to review network security protocols and restrict access to your devices to trusted users only. You've got this! With these steps, you're on your way to securing your network like a pro! 🛡️

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
0.00775 · 55.3th percentile
Published
2024-04-17T00:00Z
EPSS history
Timeline
  • 17 APR 00:00Z
    Tenda W30E v1.0 V1.0.1.25(633) firmware has a stack overflow vulnerability located via the page parameter in the fromVirtualSer function
    cvelistv5