CVE-2021-33274

D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function…

published December 1, 2021

CVSS
—
EPSS
4%
Percentile
90.4
In the wild
Unconfirmed
What it is

⚠️ A crafty crafted POST request is your potential villain here! The D-Link DIR-809 devices are vulnerable due to a sneaky stack buffer overflow just waiting to be triggered! Imagine a waiter mistakenly delivering too much food to a table, causing it to overflow and create a mess. That's how this buffer overflow works—too much data crammed into a space it can't handle, leading to chaos! If exploited, an attacker could potentially cause unexpected behavior in the device—think of it as a dinner party gone wrong, where the unexpected overflow leads to a dramatic uninvitation! While the severity is currently unknown, it's always wise to reduce the risk of such overflow antics!

Put simply

Imagine a waiter mistakenly delivering too much food to a table, causing it to overflow and create a mess. That's how this buffer overflow works—too much data crammed into a space it can't handle, leading to chaos! This stack buffer overflow vulnerability in the D-Link DIR-809's WLAN setup function allows attackers to trigger unpredictable behavior in the device by sending a specially crafted POST request.

What to do

If exploited, an attacker could potentially cause unexpected behavior in the device—think of it as a dinner party gone wrong, where the unexpected overflow leads to a dramatic uninvitation! While the severity is currently unknown, it's always wise to reduce the risk of such overflow antics! It's crucial to update your D-Link DIR-809 devices to the latest firmware version to mitigate this risk. Check for updates regularly, and ensure that your device settings are configured correctly to minimize exposure. Better safe than sorry! You've got this! Secure your devices and keep the internet a safer place! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03957 · 90.4th percentile
Published
2021-12-01T21:20Z
EPSS history
Timeline
  • 01 DEC 21:20Z
    D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function…
    cvelistv5