CVE-2024-3273KEV · OVERDUECWE-77

D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection

High · published April 4, 2024

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.3. It is confirmed in active exploitation. It sits in the 100.0th percentile for exploit probability.

905
days past CISA
deadline
CVSS v3.1
7.3
EPSS
100%
Percentile
100.0
In the wild
Confirmed
What it is

🚨 This command injection vulnerability in D-Link's old models is an open invitation for mischief-makers to invade your system! 🔥 Think of it like an open window in a building that was supposed to be sealed — anyone can just climb in and do whatever they want. In this case, it's a remote attacker exploiting a forgotten backdoor in your aging device. An attacker could take complete control, running commands as if they were the system itself. This could lead to unauthorized data access, modification of your files, or even complete takeover of the device — a nightmare scenario for any user!

Put simply

Think of it like an open window in a building that was supposed to be sealed — anyone can just climb in and do whatever they want. In this case, it's a remote attacker exploiting a forgotten backdoor in your aging device. This vulnerability is classified as a command injection flaw within the HTTP GET request handler of the affected D-Link models, allowing attackers to manipulate inputs and execute arbitrary commands remotely due to lack of proper input validation.

What to do

An attacker could take complete control, running commands as if they were the system itself. This could lead to unauthorized data access, modification of your files, or even complete takeover of the device — a nightmare scenario for any user! It's crucial to replace these unsupported D-Link devices with newer, maintained hardware immediately. Additionally, if you haven't already, disconnect these devices from your network to prevent exploitation and breaches. You've got this! Upgrade your gear, and you'll be securing your network like a pro! 🛡️

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.99995 · 100.0th percentile
Weakness
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2024-04-04T01:00Z
KEV added
2024-04-11 · due 2024-05-02
EPSS history
Timeline
  • 11 APR 00:00Z
    Added to CISA KEV — remediate by May 2
    kev
  • 04 APR 01:00Z
    D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection
    cvelistv5