How severe is CVE-2025-53870?

CVE-2025-53870 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-53870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-53870?

CVE-2025-53870 primarily affects Fortinet Fortiap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-53870?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-53870 have an EU (EUVD) identifier?

Yes. CVE-2025-53870 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209803.

When was CVE-2025-53870 published?

CVE-2025-53870 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2025-53870

CVE-2025-53870 is a medium-severity vulnerability in Fortinet Fortiap with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209803
Weakness: CWE-78
Affected product: Fortinet Fortiap
Published: 2026-05-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-53870?: CVE-2025-53870 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-53870 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-53870?: CVE-2025-53870 primarily affects Fortinet Fortiap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-53870?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-53870 have an EU (EUVD) identifier?: Yes. CVE-2025-53870 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209803.
When was CVE-2025-53870 published?: CVE-2025-53870 was published on 2026-05-12 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-133

Affected products (2)

cpe:2.3:a:fortinet:fortiap:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiap-w2:*:*:*:*:*:*:*:*

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