Heap-based Buffer Overflow in Fortinet Products
CVE-2025-22258

5.7MEDIUM

Key Information:

Vendor

Fortinet
Status
Fortisra
Fortiswitchmanager
Fortiproxy
FortiOS
Vendor
CVE Published:
14 October 2025

What is CVE-2025-22258?

A heap-based buffer overflow vulnerability in multiple Fortinet products, including FortiSRA, FortiPAM, and FortiProxy, allows attackers to escalate their privileges. This flaw arises from processing specially crafted HTTP requests, potentially granting unauthorized access to sensitive resources and functionality within the affected systems.

Affected Version(s)

FortiOS 7.6.0 <= 7.6.2

FortiOS 7.4.0 <= 7.4.6

FortiOS 7.2.0 <= 7.2.10

References

https://fortiguard.fortinet.com/psirt/FG-IR-24-546

CVSS V3.1

Score:
5.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-22258 : Heap-based Buffer Overflow in Fortinet Products