CVE-2025-32756 Fortinet Multiple Products Stack-Based Buffer Overflow
Remote unauthenticated attackers can execute arbitrary code via crafted HTTP requests due to a stack-based buffer overflow in multiple Fortinet products.
- Exploited in the wild
- Since 14 May 2025
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-32756?
CVE-2025-32756 is a critical memory corruption vulnerability in Fortinet FortiCamera, published on 13 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2025-32756?
It affects 5 products.
Products include Fortinet Forticamera Firmware, Fortinet Fortimail, Fortinet Fortindr, Fortinet Fortirecorder, Fortinet Fortivoice.
How do I fix CVE-2025-32756?
No fix has been published for CVE-2025-32756 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 4 Jun 2025.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-32756 being exploited?
Yes. Attackers have exploited CVE-2025-32756 in the wild since at least 14 May 2025.
Public exploit code: 5 proofs of concept on GitHub.
Other vulnerabilities in Fortinet FortiCamera
Sources
Also known as GHSA-fcpx-h44g-vx2x.