CVE-2023-24800

D-Link DIR878 DIR_878_FW120B05 was discovered to contain a stack overflow in the sub_495220 function

Critical · published April 7, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
70.2
In the wild
Unconfirmed
What it is

🔥 A stack overflow in D-Link's firmware could let attackers crash your device or even run their own code — all with a crafty payload! This vulnerability is like a delivery truck that can’t handle extra weight; if overloaded, it risks breaking down entirely. Just like how a hitchhiker can take over the steering wheel if the driver isn't paying attention, an attacker can exploit this flaw to take control of your device's operations. If exploited, this vulnerability could lead to a complete Denial of Service (DoS), leaving your network devices incapacitated. But it doesn’t stop there — an attacker could also execute arbitrary code, leading to potentially devastating consequences like unauthorized access to your data or network. It’s a serious threat that demands immediate attention!

Put simply

This vulnerability is like a delivery truck that can’t handle extra weight; if overloaded, it risks breaking down entirely. Just like how a hitchhiker can take over the steering wheel if the driver isn't paying attention, an attacker can exploit this flaw to take control of your device's operations. The stack overflow in the sub_495220 function of D-Link's firmware allows a specially crafted payload to overflow the stack, thereby compromising the system's integrity and potentially allowing remote code execution or causing a service outage.

What to do

If exploited, this vulnerability could lead to a complete Denial of Service (DoS), leaving your network devices incapacitated. But it doesn’t stop there — an attacker could also execute arbitrary code, leading to potentially devastating consequences like unauthorized access to your data or network. It’s a serious threat that demands immediate attention! To protect your systems, update your D-Link DIR878 firmware to the latest version as soon as possible. Regularly check for firmware updates and consider implementing additional network security controls to mitigate risks. Don't wait for the storm to hit! You've got this! By addressing this vulnerability promptly, you’ll be a security hero in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01297 · 70.2th percentile
Published
2023-04-07T00:00Z
EPSS history
Timeline
  • 07 APR 00:00Z
    D-Link DIR878 DIR_878_FW120B05 was discovered to contain a stack overflow in the sub_495220 function
    cvelistv5