What is CVE-2025-53679?

CVE-2025-53679 is a high-severity vulnerability in Fortinet Fortisandbox, classified under OS Command Injection. CVSS score: 7.2/10. Published 2025-12-09.

How severe is CVE-2025-53679?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Fortinet Fortisandbox

CVE-2025-53679

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 version…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.007 (72.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Fortisandbox — versions 5.0.0, 4.4.0, 4.2.1
Fortinet Fortisandbox Cloud — versions 24.1, 23.4
Fortinet Fortisandbox_cloud — versions 24.1.4436

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-53679?: CVE-2025-53679 is a high-severity vulnerability in Fortinet Fortisandbox, classified under OS Command Injection. CVSS score: 7.2/10. Published 2025-12-09.
How severe is CVE-2025-53679?: High severity. CVSS v3 base score is 7.2 out of 10.