Actively exploited in the wild
Fortinet Multiple Products Stack-Based Buffer Overflow Vulnerability
Fortinet - Multiple Products · Listed in the CISA KEV since 2025-05-14. This indicates confirmed attacks in production environments.
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.
CVE-2025-32756
CriticalCVSS 9.8KEVSummary
A stack-based buffer overflow vulnerability [CWE-121] in Fortinet FortiCamera, FortiMail, FortiNDR, FortiRecorder, and FortiVoice allows a remote unauthenticated attacker to execute arbitrary code or commands via sending HTTP requests with specially crafted hash cookie.
Risk Assessment
An attacker can remotely execute arbitrary code on vulnerable devices, potentially leading to full system compromise and network security breach.
Recommendation
Immediately upgrade all affected Fortinet products to patched versions and restrict access to HTTP interfaces.
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Original NVD description (English source)
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.