CVE-2024-36290CWE-120

A buffer overflow vulnerability exists in the login.cgi Goto_chidx() functionality of Wavlink AC3000 M33A8.V5030.210505

Critical · published January 14, 2025

CVSS v3.1
10.0
EPSS
1%
Percentile
73.2
In the wild
Unconfirmed
What it is

🚨 A single sneaky HTTP request could trigger this buffer overflow like a surprise party gone horribly wrong! 🎉 Imagine a crowded restaurant where the chef accidentally overfills a pot, causing everything to boil over. In this case, the Wavlink AC3000 M33A8 can't handle a crafted request, leading to chaos in its stack memory. An attacker could exploit this vulnerability to gain control over the device, allowing for unauthorized access and potentially catastrophic results. With a CVSS score of 10, this isn't just a minor issue; it could lead to full remote code execution, putting sensitive data and network security at immense risk! 🔥

Put simply

Imagine a crowded restaurant where the chef accidentally overfills a pot, causing everything to boil over. In this case, the Wavlink AC3000 M33A8 can't handle a crafted request, leading to chaos in its stack memory. This buffer overflow vulnerability occurs within the login.cgi's Goto_chidx() function. By sending a specially crafted HTTP request, an attacker can overflow the stack, leading to unpredictable behavior or executing arbitrary code.

What to do

An attacker could exploit this vulnerability to gain control over the device, allowing for unauthorized access and potentially catastrophic results. With a CVSS score of 10, this isn't just a minor issue; it could lead to full remote code execution, putting sensitive data and network security at immense risk! 🔥 Immediate action is critical! Update your Wavlink AC3000 M33A8 to the latest firmware version that addresses this buffer overflow. Regularly review and restrict access to sensitive system components to minimize exposure. You've got this! Follow these steps and keep your devices safe and sound! 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01450 · 73.2th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2025-01-14T14:21Z
EPSS history
Timeline
  • 14 JAN 14:21Z
    A buffer overflow vulnerability exists in the login.cgi Goto_chidx() functionality of Wavlink AC3000 M33A8.V5030.210505
    cvelistv5