CVE-2025-29041

An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and the function 0x41710c

Critical · published April 17, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
72.4
In the wild
Unconfirmed
What it is

🚨 Remote code execution in the D-Link DIR-823x? It's possible with just a crafty target_addr value! 🔥 Think of this as a delivery driver following a poorly written address—one wrong turn and they can end up in someone else's home, wreaking havoc and taking whatever they please. In this case, the attacker can execute arbitrary code on the vulnerable router, just like the driver making unauthorized deliveries. An attacker could gain complete control over the router, leading to potential data breaches, interception of sensitive information, or even transforming the device into a launching pad for further attacks. Not a pleasant thought, right? This vulnerability could leave your network exposed to a variety of malicious activities if not addressed immediately.

Put simply

Think of this as a delivery driver following a poorly written address—one wrong turn and they can end up in someone else's home, wreaking havoc and taking whatever they please. In this case, the attacker can execute arbitrary code on the vulnerable router, just like the driver making unauthorized deliveries. This vulnerability allows remote attackers to execute arbitrary code by exploiting the "target_addr" key value, specifically through function 0x41710c. If successfully exploited, it can compromise the entire device.

What to do

An attacker could gain complete control over the router, leading to potential data breaches, interception of sensitive information, or even transforming the device into a launching pad for further attacks. Not a pleasant thought, right? This vulnerability could leave your network exposed to a variety of malicious activities if not addressed immediately. Act now! Update the D-Link DIR-823x firmware to the latest version released by the manufacturer to patch this vulnerability. Additionally, ensure that any unnecessary services are disabled and implement strong network access controls to safeguard your devices. You've got this! By following these steps, you'll fortify your defenses and keep your network safe! 🛡️

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
0.01406 · 72.4th percentile
Published
2025-04-17T00:00Z
EPSS history
Timeline
  • 17 APR 00:00Z
    An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and the function 0x41710c
    cvelistv5