CVE-2025-25255
Medium
Description
An Improperly Implemented Security Check for Standard vulnerability [CWE-358] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.11, FortiProxy 7.2 all versions, FortiProxy 7.0.1 through 7.0.22 may allow an unauthenticated proxy user to bypass the domain fronting protection feature via crafted HTTP requests.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Fortinet Fortiproxy
PublishedOct 14, 2025
First seenOct 14, 2025
Weakness typeCWE-358CWE-358
How to fix
Update
- fortinet fortiproxy7.6.4 or later
- fortinet fortios7.6.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fortinet fortiproxy | 7.0.1 ≤ v < 7.6.4 | 7.6.4 |
| fortinet fortios | 7.6.0 ≤ v < 7.6.4 | 7.6.4 |
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