FortiMail
CVE-2025-32756: Stack-based buffer overflow in FortiMail, FortiVoice and others
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.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiNDR 7.6 | 7.6.1 or later |
| FortiNDR 7.4.0 to 7.4.7 | 7.4.8 or later |
| FortiNDR 7.2.0 to 7.2.4 | 7.2.5 or later |
| FortiNDR 7.1.0 to 7.1.1 | Upgrade past 7.1.1; see the advisory |
| FortiNDR 7.0.0 to 7.0.6 | 7.0.7 or later |
| FortiNDR 1.5.0 to 1.5.3 | Upgrade past 1.5.3; see the advisory |
| FortiNDR 1.4 | See the advisory |
| FortiNDR 1.3.0 to 1.3.1 | Upgrade past 1.3.1; see the advisory |
| FortiNDR 1.2 | See the advisory |
| FortiNDR 1.1 | See the advisory |
| FortiCamera 2.1.0 to 2.1.3 | 2.1.4 or later |
| FortiCamera 2.0 | See the advisory |
| FortiCamera 1.1.0 to 1.1.5 | Upgrade past 1.1.5; see the advisory |
| FortiRecorder 7.2.0 to 7.2.3 | 7.2.4 or later |
| FortiRecorder 7.0.0 to 7.0.5 | 7.0.6 or later |
| FortiRecorder 6.4.0 to 6.4.5 | 6.4.6 or later |
| FortiVoice 7.2 | 7.2.1 or later |
| FortiVoice 7.0.0 to 7.0.6 | 7.0.7 or later |
| FortiVoice 6.4.0 to 6.4.10 | 6.4.11 or later |
| FortiMail 7.6.0 to 7.6.2 | 7.6.3 or later |
| FortiMail 7.4.0 to 7.4.4 | 7.4.5 or later |
| FortiMail 7.2.0 to 7.2.7 | 7.2.8 or later |
| FortiMail 7.0.0 to 7.0.8 | 7.0.9 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
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.
Exploitation
CISA lists this CVE as exploited in the wild since 14 May 2025.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.