CVE-2018-25120CWE-78

D-Link DNS-343 ShareCenter <= 1.05 Command Injection via /goform/Mail_Test

Critical · published October 29, 2025

CVSS v4.0
9.3
EPSS
10%
Percentile
95.5
In the wild
Unconfirmed
What it is

🚨 A simple form submission could lead to total system compromise! Unauthenticated remote attackers can unleash shell commands on D-Link DNS-343 devices — and that's a disaster waiting to happen! 🔥 Think of it like a restaurant where a customer can slip their own order into the kitchen without anyone checking it — suddenly, the chef is preparing exactly what the diner wants, no questions asked! If exploited, an attacker could gain root access to the device, allowing them to manipulate files, steal sensitive data, or even turn the device into a launching pad for further attacks. It's an absolute nightmare scenario, especially since this vulnerability exists in a product line that's been declared end-of-life!

Put simply

Think of it like a restaurant where a customer can slip their own order into the kitchen without anyone checking it — suddenly, the chef is preparing exactly what the diner wants, no questions asked! This command injection vulnerability in the Mail Test functionality of D-Link DNS-343 devices allows attackers to send crafted form data to the '/goform/Mail_Test' endpoint, executing arbitrary commands with root privileges due to a lack of proper input validation.

What to do

If exploited, an attacker could gain root access to the device, allowing them to manipulate files, steal sensitive data, or even turn the device into a launching pad for further attacks. It's an absolute nightmare scenario, especially since this vulnerability exists in a product line that's been declared end-of-life! Since the firmware version 1.05 is vulnerable and the product is no longer supported, it's crucial to disconnect these devices from the network immediately. Consider replacing them with a supported alternative and review your network security policies to ensure similar devices are secure. 🛡️ You've got this! By taking these steps, you can protect your network and stay ahead of potential threats! 💪✨

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.09806 · 95.5th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-10-29T18:39Z
EPSS history
Timeline
  • 29 OCT 18:39Z
    D-Link DNS-343 ShareCenter <= 1.05 Command Injection via /goform/Mail_Test
    cvelistv5