CVE-2023-43237

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

High · published September 21, 2023

CVSS v3.1
8.8
EPSS
13%
Percentile
96.4
In the wild
Unconfirmed
What it is

⚡ A sneaky stack overflow hides in the D-Link DIR-816 A2, just waiting for the right call to crash your network! 🔥 Think of it as a restaurant where a waiter serves an oversized dish that spills all over the floor, causing chaos in the kitchen. This stack overflow lets a crafty attacker overload the system by sending a cleverly crafted request, just like that overzealous order disrupts the whole dining experience. With this vulnerability, an attacker could trigger a stack overflow, leading to a crash or, worse, executing arbitrary code. This means they could potentially take over the device, snoop on your network, or disrupt services — absolutely devastating for your home or office!

Put simply

Think of it as a restaurant where a waiter serves an oversized dish that spills all over the floor, causing chaos in the kitchen. This stack overflow lets a crafty attacker overload the system by sending a cleverly crafted request, just like that overzealous order disrupts the whole dining experience. In D-Link DIR-816 A2 v1.10CNB05, the parameter macCloneMac in the setMAC function is vulnerable to a stack overflow, allowing attackers to exploit it by sending larger-than-expected input, causing the system to behave unexpectedly or crash.

What to do

With this vulnerability, an attacker could trigger a stack overflow, leading to a crash or, worse, executing arbitrary code. This means they could potentially take over the device, snoop on your network, or disrupt services — absolutely devastating for your home or office! To protect your network, upgrade your D-Link router to the latest firmware version immediately. Regularly check for updates and consider implementing additional security measures such as strong passwords and network segmentation. You've got this! With a quick update, you'll have your network fortified 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
0.13317 · 96.4th 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 macCloneMac in setMAC
    cvelistv5