CVE-2024-39757CWE-121

A stack-based buffer overflow vulnerability exists in the wireless.cgi AddMac() functionality of Wavlink AC3000 M33A8.V5030.210505

Critical · published January 14, 2025

CVSS v3.1
9.1
EPSS
2%
Percentile
84.4
In the wild
Unconfirmed
What it is

🚨 One crafty HTTP request can turn your Wavlink AC3000 into a hacker's playground! This stack-based buffer overflow may let attackers execute arbitrary commands with ease! 🔥 Think of this vulnerability like a sneaky intruder slipping a forged pass to access the control room of a high-security facility — once inside, they can control everything without raising alarms. It's a small opening that leads to a world of chaos! An attacker could leverage this vulnerability to execute any command they desire, potentially compromising sensitive data and taking full control of the device. This could lead to devastating consequences, including unauthorized access to your network and loss of critical functionalities.

Put simply

Think of this vulnerability like a sneaky intruder slipping a forged pass to access the control room of a high-security facility — once inside, they can control everything without raising alarms. It's a small opening that leads to a world of chaos! This vulnerability arises from a stack-based buffer overflow in the AddMac() functionality of the wireless.cgi script. By sending a specially crafted HTTP request, an authenticated user can trigger this flaw, leading to arbitrary command execution.

What to do

An attacker could leverage this vulnerability to execute any command they desire, potentially compromising sensitive data and taking full control of the device. This could lead to devastating consequences, including unauthorized access to your network and loss of critical functionalities. Immediately update your Wavlink AC3000 router to the latest firmware version that addresses this vulnerability. Ensure that proper authentication measures are in place and consider restricting access to trusted networks only. You've got this! Stay proactive and secure your devices to keep the cyber baddies at bay! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02472 · 84.4th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2025-01-14T14:21Z
EPSS history
Timeline
  • 14 JAN 14:21Z
    A stack-based buffer overflow vulnerability exists in the wireless.cgi AddMac() functionality of Wavlink AC3000 M33A8.V5030.210505
    cvelistv5