CVE-2025-55018
CVSS Score
5.2
EPSS Score
0.0%
EPSS Percentile
0th
An inconsistent interpretation of http requests ('http request smuggling') vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request through the firewall policies via a specially crafted header
| CWE | CWE-444 |
| Vendor | fortinet |
| Product | fortios |
| Ecosystems | |
| Industries | NetworkingSecurity |
| Published | Feb 10, 2026 |
| Last Updated | Mar 19, 2026 |
Stay Ahead of the Next One
Get instant alerts for fortinet fortios
Be the first to know when new medium vulnerabilities affecting fortinet fortios are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:P/RL:O/RC:C Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
Fortinet / FortiOS
7.6.0 7.4.0 ≤ 7.4.9 7.2.0 ≤ 7.2.13 7.0.0 ≤ 7.0.19 6.4.3 ≤ 6.4.16