How severe is CVE-2025-32756?

CVE-2025-32756 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-32756 being actively exploited?

Yes. CVE-2025-32756 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-05-14, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2025-32756?

CVE-2025-32756 primarily affects Fortinet Fortimail. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-32756?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2025-32756 have an EU (EUVD) identifier?

Yes. CVE-2025-32756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14705. It is also flagged as exploited in the EUVD (since 2025-05-14).

When was CVE-2025-32756 published?

CVE-2025-32756 was published on 2025-05-13 and last updated on 2026-06-17.

CVE-2025-32756

CVE-2025-32756 is a critical-severity vulnerability in Fortinet Fortimail with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-05-14). The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 31% (98th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-05-14)
EU (EUVD) id: EUVD-2025-14705
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-05-14)
Weakness: CWE-787
Affected product: Fortinet Fortimail
Published: 2025-05-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-32756?: CVE-2025-32756 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-32756 being actively exploited?: Yes. CVE-2025-32756 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-05-14, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2025-32756?: CVE-2025-32756 primarily affects Fortinet Fortimail. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-32756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2025-32756 have an EU (EUVD) identifier?: Yes. CVE-2025-32756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14705. It is also flagged as exploited in the EUVD (since 2025-05-14).
When was CVE-2025-32756 published?: CVE-2025-32756 was published on 2025-05-13 and last updated on 2026-06-17.

References

Affected products (14)

cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortindr:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortindr:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortindr:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortindr:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortindr:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortindr:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortindr:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortindr:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortindr:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortirecorder:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortivoice:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortivoice:7.2.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:forticamera_firmware:*:*:*:*:*:*:*:*

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