How severe is CVE-2025-32756?

CVE-2025-32756 has a CVSS 3.1 base score of 9.6 (CRITICAL). EPSS estimates a 29.8% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

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

CISA Known Exploited Vulnerabilities

Fortinet Multiple Products Stack-Based Buffer Overflow Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2025-05-14

Remediation due

2025-06-04

Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA notes
https://fortiguard.fortinet.com/psirt/FG-IR-25-254 ; https://nvd.nist.gov/vuln/detail/CVE-2025-32756

Description

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.

Severity

CVSS 3.1 · CNA9.6 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:X/RC:C

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Fortinet	FortiNDR	7.6.0 7.4.0 to 7.4.7 7.2.0 to 7.2.4 7.1.0 to 7.1.1 7.0.0 to 7.0.6 1.5.0 to 1.5.3 1.4.0 1.3.0 to 1.3.1 1.2.0 1.1.0
Fortinet	FortiCamera	2.1.0 to 2.1.3 2.0.0 1.1.0 to 1.1.5
Fortinet	FortiRecorder	7.2.0 to 7.2.3 7.0.0 to 7.0.5 6.4.0 to 6.4.5
Fortinet	FortiVoice	7.2.0 7.0.0 to 7.0.6 6.4.0 to 6.4.10
Fortinet	FortiMail	7.6.0 to 7.6.2 7.4.0 to 7.4.4 7.2.0 to 7.2.7 7.0.0 to 7.0.8

References

1 Links

Other references

https://fortiguard.fortinet.com/psirt/FG-IR-25-254

Record Details

Published

2025-05-13

Last updated

2026-02-26

Assigner (CNA)

fortinet

Credited to

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Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-121 · Stack-based Buffer Overflow

Fuzzing Binary Exploitation

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.