CVE-2025-40599CWE-434

An authenticated arbitrary file upload vulnerability exists in the SMA 100 series web management interface

Critical · published July 23, 2025

CVSS v3.1
9.1
EPSS
15%
Percentile
96.7
In the wild
Unconfirmed
What it is

🚨 An authenticated user with admin rights can upload any file they want. It’s like giving a chef a key to the pantry but forgetting to check what they bring in! 🔥 This vulnerability is akin to allowing a VIP guest into a restaurant’s kitchen without oversight. They could slip in any ingredient they wish, potentially spoiling the whole dish if they decide to add something hazardous! An attacker could upload malicious files that lead to remote code execution, giving them control over the system. This could result in devastating data breaches or complete system compromise, making it a security nightmare for any organization!

Put simply

This vulnerability is akin to allowing a VIP guest into a restaurant’s kitchen without oversight. They could slip in any ingredient they wish, potentially spoiling the whole dish if they decide to add something hazardous! CVE-2025-40599 is an authenticated arbitrary file upload vulnerability in the SMA 100 series web management interface. It allows an attacker with administrative privileges to upload files that can be executed on the server, leading to potential remote code execution.

What to do

An attacker could upload malicious files that lead to remote code execution, giving them control over the system. This could result in devastating data breaches or complete system compromise, making it a security nightmare for any organization! To mitigate this risk, ensure that the SMA 100 series is updated to the latest version immediately. Additionally, review user privileges and implement strict file validation checks to prevent unauthorized file uploads. You've got this! Follow these steps to secure your system and regain control. 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.14700 · 96.7th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2025-07-23T13:13Z
EPSS history
Timeline
  • 23 JUL 13:13Z
    An authenticated arbitrary file upload vulnerability exists in the SMA 100 series web management interface
    cvelistv5