What is CVE-2025-53870?

CVE-2025-53870 is a medium-severity vulnerability in Fortinet Fortiap, classified under OS Command Injection. CVSS score: 6.7/10. Published 2026-05-12.

How severe is CVE-2025-53870?

Medium severity. CVSS v3 base score is 6.7 out of 10.

RCE in Fortinet Fortiap

CVE-2025-53870

An improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiAP 7.6.0 through 7.6.2, FortiAP 7.4.0 through 7.4.5, FortiAP 7.2 all versions, FortiAP 7.0 all versions, FortiAP 6.4 all versions, FortiAP-W2 7.4.0 through 7.4.4, FortiAP-W2 7.2 all versions, FortiAP-W2 7.0 all versions may allow an authenticated attacker to execute unauthorized code or commands via a specifically crafted cli command.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.006 (44.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Fortiap — versions 7.6.0, 7.4.0, 7.2.0
Fortinet Fortiap-w2 — versions 7.4.0, 7.2.0, 7.0.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-133 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-53870?: CVE-2025-53870 is a medium-severity vulnerability in Fortinet Fortiap, classified under OS Command Injection. CVSS score: 6.7/10. Published 2026-05-12.
How severe is CVE-2025-53870?: Medium severity. CVSS v3 base score is 6.7 out of 10.