Stack-Based Buffer Overflow in Fortinet FortiOS and FortiSASE
CVE-2025-58413

6.9MEDIUM

Key Information:

Vendor

Fortinet
Status
Fortisase
FortiOS
Vendor
CVE Published:
18 November 2025

What is CVE-2025-58413?

A stack-based buffer overflow vulnerability exists in Fortinet FortiOS versions 7.6.0 to 7.6.3, 7.4.0 to 7.4.8, as well as all versions of 7.2, 7.0, 6.4, 6.2, and 6.0, and FortiSASE version 25.3.b. This vulnerability allows an attacker to execute unauthorized code or commands by sending specially crafted packets to the affected system. The exploitation of this vulnerability can lead to severe security risks, including a complete compromise of system integrity.

Affected Version(s)

FortiOS 7.6.0 <= 7.6.3

FortiOS 7.4.0 <= 7.4.8

FortiOS 7.2.0 <= 7.2.12

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-632

CVSS V3.1

Score:
6.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-58413 : Stack-Based Buffer Overflow in Fortinet FortiOS and FortiSASE