CVE-2023-43236

D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter statuscheckpppoeuser in dir_setWanWifi

High · published September 21, 2023

CVSS v3.1
8.8
EPSS
1%
Percentile
64.1
In the wild
Unconfirmed
What it is

⚡ A sneaky stack overflow hides in the D-Link DIR-816 A2, waiting to catch the unwary! Think of it like a production line where one lazy worker keeps piling too many boxes on a conveyer belt, causing it to jam. This overflow can crash your router, disrupting your internet service like a traffic jam on a busy highway! If exploited, an attacker could crash the router, halting your internet connection and potentially gaining access to sensitive data. It's like someone pulling the plug on your Wi-Fi right when you need it most! This could lead to absolute chaos in your network, with unauthorized users potentially taking control. Yikes!

Put simply

Think of it like a production line where one lazy worker keeps piling too many boxes on a conveyer belt, causing it to jam. This overflow can crash your router, disrupting your internet service like a traffic jam on a busy highway! CVE-2023-43236 is a stack overflow vulnerability caused by the 'statuscheckpppoeuser' parameter in the 'dir_setWanWifi' function, which can be triggered by sending specially crafted data to the router.

What to do

If exploited, an attacker could crash the router, halting your internet connection and potentially gaining access to sensitive data. It's like someone pulling the plug on your Wi-Fi right when you need it most! This could lead to absolute chaos in your network, with unauthorized users potentially taking control. Yikes! To safeguard your connection, patch the D-Link DIR-816 A2 to version 1.10CNB06 immediately. Regularly check for firmware updates and change your default credentials to fortify your defenses. Don't leave your network out in the open! You've got this! Follow these steps, and you’ll have your router secured in no time! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01056 · 64.1th percentile
Published
2023-09-21T00:00Z
EPSS history
Timeline
  • 21 SEP 00:00Z
    D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter statuscheckpppoeuser in dir_setWanWifi
    cvelistv5