On 2025-05-14, CISA added CVE-2025-32756 (Fortinet Multiple Products) to its Known Exploited Vulnerabilities (KEV) catalog [2]. The vulnerability is listed in the catalog as "Fortinet Multiple Products Stack-Based Buffer Overflow Vulnerability" [2]. CISA requires applying mitigations in accordance with vendor instructions; see the full text below for specific requirements [2].
Backfill: this event became public on May 14, 2025 and we added it on Nov 10, 2026. It is not a new event.
CISA Adds Fortinet Multiple Products Vulnerability CVE-2025-32756 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- May 14, 2025
- Published
- Nov 10, 2026
- Last updated
- Nov 8, 2026
- CVSS basis
- Our assessment
- 30.9%, higher than 98% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires applying mitigations in accordance with vendor instructions; see the full text for specific requirements [2].
Timeline
Technical details
CISA KEV Listing
On 2025-05-14, CISA added CVE-2025-32756 to the Known Exploited Vulnerabilities () catalog for Fortinet Multiple Products [2].
Original Technical 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. [2]
Official Requirements
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. [2]
Individual Vulnerability Record
The U.S. National Vulnerability Database (NVD) provides an independent vulnerability record and description for CVE-2025-32756 [1].
References
Official / primary3
- [1]
“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, For”
- [2]
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