CVE-2025-32756CRITICAL 9.8CISA KEVEPSS p98.0%

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

Fortinet / Multiple Products

Description

Fortinet FortiFone, FortiVoice, FortiNDR and FortiMail contain a stack-based overflow vulnerability that may allow a remote unauthenticated attacker to execute arbitrary code or commands via crafted HTTP requests.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS30.13% probability of exploitation · percentile 98.0% · 2026-06-18T12:00:27Z
Published2025-05-13
Last modified2026-01-14

CISA KEV entry

Added to KEV: 2025-05-14

Underlying weaknesses· 2

CWE-121CWE-787

References

  1. https://fortiguard.fortinet.com/psirt/FG-IR-25-254
  2. https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32756

2

TypeTargetConfidenceTier
WeaknessStack-based Buffer Overflowcwe-1210%live
WeaknessOut-of-bounds Writecwe-7870%live

(incoming)1

TypeTargetConfidenceTier
KEVEntryFortinet Multiple Products Stack-Based Buffer Overflow Vulnerabilitykev-cve-2025-327560%live

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.