What is CVE-2025-32756?

CVE-2025-32756 is a critical-severity vulnerability in Fortinet Forticamera, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-05-13.

How severe is CVE-2025-32756?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-32756 known to be exploited?

Yes. CVE-2025-32756 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-05-14), indicating it is being actively exploited. 22 public proof-of-concept repositories are indexed.

Buffer overflow in Fortinet Forticamera

CVE-2025-32756

A stack-based buffer overflow vulnerability [CWE-121] vulnerability in Fortinet FortiCamera 2.1.0 through 2.1.3, FortiCamera 2.0 all versions, FortiCamera 1.1 all versions, FortiMail 7.6.0 through 7.6.2, FortiMail 7.4.0 through 7.4.4, FortiMail 7.2.0 through 7.2.7, FortiMail 7.0.0 through 7.0.8, FortiNDR 7.6.0, FortiNDR 7.4.0 through 7.4.7, FortiNDR 7.2.0 through 7.2.4, FortiNDR 7.0.0 through 7.0.6, FortiRecorder 7.2.0 through 7.2.3, FortiRecorder 7.0.0 through 7.0.5, FortiRecorder 6.4.0 through 6.4.5, FortiVoice 7.2.0, FortiVoice 7.0.0 through 7.0.6, FortiVoice 6.4.0 through 6.4.10 allows a remote unauthenticated attacker to execute arbitrary code or commands via sending HTTP requests with specially crafted hash cookie.

Vulnerability class: Buffer Overflow

EPSS: 0.298 (98.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Forticamera — versions 2.1.0, 2.0.0, 1.1.0
Fortinet Forticamera_firmware
Fortinet Fortimail — versions 7.6.0, 7.4.0, 7.2.0
Fortinet Fortindr — versions 1.3.0, 7.1.0, 1.4.0
Fortinet Fortirecorder — versions 7.2.0, 7.0.0, 6.4.0
Fortinet Fortivoice — versions 7.2.0, 7.0.0, 6.4.0

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2025-05-14. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2025-06-04.

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

psirt@fortinet.com (Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2025-32756?: CVE-2025-32756 is a critical-severity vulnerability in Fortinet Forticamera, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-05-13.
How severe is CVE-2025-32756?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-32756 known to be exploited?: Yes. CVE-2025-32756 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-05-14), indicating it is being actively exploited. 22 public proof-of-concept repositories are indexed.