CVE-2025-32756 — Fortinet Multiple Products Stack-Based Buffer Overflow Vulnerability
CVE-2025-32756: Fortinet Multiple Products Stack-Based Buffer Overflow Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Fortinet |
| Product | Multiple Products |
| Date added | 2025-05-14 |
| Due date | 2025-06-04 |
| Ransomware campaign use | Unknown |
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.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://fortiguard.fortinet.com/psirt/FG-IR-25-254 ; https://nvd.nist.gov/vuln/detail/CVE-2025-32756
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-32756
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog