Heap-based Buffer Overflow in FortiOS and FortiPAM Products
CVE-2025-57740

6.7MEDIUM

Key Information:

Vendor

Fortinet
Status
Fortipam
FortiOS
Fortiproxy
Vendor
CVE Published:
14 October 2025

What is CVE-2025-57740?

A heap-based buffer overflow vulnerability exists in FortiOS, FortiPAM, and FortiProxy. This issue allows authenticated users to potentially execute unauthorized code through specifically crafted requests, making it crucial for users to review their current product versions and apply necessary updates to mitigate this risk.

Affected Version(s)

FortiOS 7.6.0 <= 7.6.2

FortiOS 7.4.0 <= 7.4.7

FortiOS 7.2.0 <= 7.2.10

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-756

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-57740 : Heap-based Buffer Overflow in FortiOS and FortiPAM Products