CVE-2025-32756: Fortinet Multiple Products Stack-Based Buffer Overflow Vulnerability

CVE-2025-32756 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2025-05-14

A stack-based buffer overflow vulnerability in multiple Fortinet products allows a remote unauthenticated attacker to execute arbitrary code or commands. The exploit is triggered by sending HTTP requests containing a specially crafted hash cookie.

Technologies: Apple Multiple Products. Vendors: Apple.

Quick answers

Is CVE-2025-32756 exploited in the wild?
Yes. CVE-2025-32756 is known to be exploited in the wild, first recorded on 14 May 2025. Treat it as urgent.
How severe is CVE-2025-32756?
Critical severity, with a CVSS score of 9.8, published 14 May 2025.
Which products and versions are affected?
Fortinet FortiCamera 2.1.0 through 2.1.3, 2.0 all versions, 1.1 all versions; Fortinet FortiMail 7.6.0 through 7.6.2, 7.4.0 through 7.4.4, 7.2.0 through 7.2.7, 7.0.0 through 7.0.8; Fortinet FortiNDR 7.6.0, 7.4.0 through 7.4.7, 7.2.0 through 7.2.4, 7.0.0 through 7.0.6; Fortinet FortiRecorder 7.2.0 through 7.2.3, 7.0.0 through 7.0.5, 6.4.0 through 6.4.5; and 1 more.
Is there a fix for CVE-2025-32756?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2025-32756 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2025-32756?
Check whether you run Apple Multiple Products. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Fortinet FortiCamera 2.1.0 through 2.1.3, 2.0 all versions, 1.1 all versions
  • Fortinet FortiMail 7.6.0 through 7.6.2, 7.4.0 through 7.4.4, 7.2.0 through 7.2.7, 7.0.0 through 7.0.8
  • Fortinet FortiNDR 7.6.0, 7.4.0 through 7.4.7, 7.2.0 through 7.2.4, 7.0.0 through 7.0.6
  • Fortinet FortiRecorder 7.2.0 through 7.2.3, 7.0.0 through 7.0.5, 6.4.0 through 6.4.5
  • Fortinet FortiVoice 7.2.0, 7.0.0 through 7.0.6, 6.4.0 through 6.4.10

Timeline

  • 2025-05-14: disclosed
  • 2025-05-14: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2025-05-14: exploited: Reported as exploited in the wild at time of publication.

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