CVE-2024-40084

A Buffer Overflow in the Boa webserver of Vilo 5 Mesh WiFi System <= 5.16.1.33 allows remote, unauthenticated attackers to execute arbitrary code via…

Critical · published October 21, 2024

CVSS v3.1
9.6
EPSS
1%
Percentile
48.7
In the wild
Unconfirmed
What it is

🚨 A buffer overflow vulnerability in the Boa webserver of Vilo 5 Mesh WiFi Systems could let attackers execute arbitrary code — and it’s shockingly easy! 🔥 Think of the Boa webserver as a busy restaurant kitchen. If a chef orders an extraordinarily long list of ingredients without checks, it could overwhelm the kitchen staff, leading to chaos and potentially disastrous results! An attacker could exploit this oversight to slip in malicious code, gaining control over the device and possibly your entire network. This could lead to unauthorized access to sensitive data or even disruption of services — a nightmare scenario for anyone reliant on their WiFi!

Put simply

Think of the Boa webserver as a busy restaurant kitchen. If a chef orders an extraordinarily long list of ingredients without checks, it could overwhelm the kitchen staff, leading to chaos and potentially disastrous results! The buffer overflow vulnerability allows remote, unauthenticated attackers to execute arbitrary code by sending excessively long HTTP methods or paths to the Vilo 5 Mesh WiFi System running Boa webserver versions up to 5.16.1.33.

What to do

An attacker could exploit this oversight to slip in malicious code, gaining control over the device and possibly your entire network. This could lead to unauthorized access to sensitive data or even disruption of services — a nightmare scenario for anyone reliant on their WiFi! Immediately patch your Vilo 5 Mesh WiFi System to version 5.16.1.34 or later to close this critical vulnerability. Additionally, consider implementing network segmentation and firewalls to mitigate potential risks while the patching is underway. You've got this! Follow these steps and your network will be secure again in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00612 · 48.7th percentile
Published
2024-10-21T00:00Z
EPSS history
Timeline
  • 21 OCT 00:00Z
    A Buffer Overflow in the Boa webserver of Vilo 5 Mesh WiFi System <= 5.16.1.33 allows remote, unauthenticated attackers to execute arbitrary code via…
    cvelistv5