Buffer Over-Read Vulnerability in Fortinet FortiOS Products
CVE-2025-43892

4.1MEDIUM

Key Information:

Vendor

Fortinet
Status
FortiOS
Vendor
CVE Published:
14 July 2026

What is CVE-2025-43892?

A buffer over-read vulnerability exists in Fortinet's FortiOS, specifically in versions 7.6.0 through 7.6.2, 7.4.0 through 7.4.8, and all versions of 7.2. This flaw allows an authenticated remote attacker to exploit the system by sending a specially crafted request. In doing so, they can retrieve portions of device memory through the redirect response, potentially compromising sensitive information.

Affected Version(s)

FortiOS 7.4.0 <= 7.4.3

FortiOS 7.2.0 <= 7.2.13

FortiOS 7.0.0 <= 7.0.19

References

https://fortiguard.fortinet.com/psirt/#5944

CVSS V3.1

Score:
4.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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