CVE-2025-53679CWE-78command-injection

CVE-2025-53679

High · published December 9, 2025

CVSS v3.1
7.2
EPSS
12%
Percentile
96.2
In the wild
Unconfirmed
What it is

⚠️ Beware of the sneaky OS command injection hiding in Fortinet FortiSandbox! This vulnerability lets an attacker execute unauthorized commands with just a crafted HTTP request—no magic wand required! 🔥 Think of it like a restaurant where a customer can slip a secret note to the chef, asking for a special dish that wasn’t on the menu. If the kitchen follows the note without checking who sent it, anyone could order anything! With this vulnerability, a remote attacker could execute arbitrary commands on the server, potentially compromising sensitive data or disrupting services. This could lead to unauthorized access to critical systems, making it a surprisingly sneaky threat for users of FortiSandbox.

Put simply

Think of it like a restaurant where a customer can slip a secret note to the chef, asking for a special dish that wasn’t on the menu. If the kitchen follows the note without checking who sent it, anyone could order anything! This OS Command Injection vulnerability occurs due to improper handling of special characters in HTTP or HTTPS requests, allowing attackers to run unauthorized commands remotely. Affected versions include FortiSandbox 5.0.0 through 5.0.2, 4.4.0 through 4.4.7, and others, meaning many users are at risk.

What to do

With this vulnerability, a remote attacker could execute arbitrary commands on the server, potentially compromising sensitive data or disrupting services. This could lead to unauthorized access to critical systems, making it a surprisingly sneaky threat for users of FortiSandbox. To mitigate this vulnerability, update FortiSandbox to the latest version as soon as possible. Ensure all HTTP and HTTPS requests are properly validated and sanitized to avoid command injection. Regular audits of configurations can also help secure your systems. You got this! With a little effort, you can lock this vulnerability down and keep your systems safe. 🛡️

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.12203 · 96.2th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-12-09T23:15Z
Affected products (4)
ProductVersionsFixed in
fortinet/fortisandbox≥ 4.0.0, < 4.4.84.4.8
fortinet/fortisandbox≥ 5.0.0, < 5.0.35.0.3
fortinet/fortisandbox_cloud≥ 23.1.4245, < 23.4.437423.4.4374
fortinet/fortisandbox_cloudall versions—
References (1)
EPSS history
Timeline
  • 09 DEC 17:19Z
    An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSandbox…
    cvelistv5