CVE-2025-43892 PUBLISHED

Assigner: fortinet
Reserved: 18.04.2025 Published: 14.07.2026 Updated: 14.07.2026

A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions may allow an authenticated remote attacker to return a portion of device memory in the redirect response via submitting a specially crafted request.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
CVSS Score: 4.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Fortinet
Product	FortiOS
Versions	Default: unaffected affected from 7.4.0 to 7.4.3 (incl.) affected from 7.2.0 to 7.2.13 (incl.) affected from 7.0.0 to 7.0.19 (incl.)

Solutions

Upgrade to FortiOS version 7.6.4 or above Upgrade to FortiOS version 7.4.9 or above Fortinet remediated this issue in FortiSASE version 25.4.b and hence customers do not need to perform any action. Upgrade to FortiProxy version 7.6.6 or above Upgrade to FortiProxy version 7.4.14 or above

References

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

Problem Types

Information disclosure CWE