CVE-2025-53679

Name: CVE-2025-53679
Creator: NVD / NIST
Published: 2025-12-09T18:15:53.477+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 10.79%

Last modified Jun 17, 2026

CVE-2025-53679 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions, FortiSandbox Cloud 24.1, FortiSandbox Cloud 23 all versions allows a remote privileged attacker to execute unauthorized code or commands via crafted HTTP or HTTPS requests.. EPSS estimates a 10.79% chance of exploitation in the next 30 days.

Description

An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions, FortiSandbox Cloud 24.1, FortiSandbox Cloud 23 all versions allows a remote privileged attacker to execute unauthorized code or commands via crafted HTTP or HTTPS requests.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

10.79%

95.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Fortinet	Fortisandbox	>= 4.0.0, < 4.4.8
Fortinet	Fortisandbox	>= 5.0.0, < 5.0.3
Fortinet	Fortisandbox Cloud	>= 23.1.4245, < 23.4.4374
Fortinet	Fortisandbox Cloud	24.1.4436

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-454Vendor Advisory

Timeline

Published: Dec 9, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-53679?

How severe is CVE-2025-53679?

CVE-2025-53679 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 10.79% probability of exploitation in the next 30 days.

How do I fix CVE-2025-53679?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-53679?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST