CVE-2025-53847

HIGH CVSS 3.1: 8.8 EPSS 0.28%
Updated Oct 07, 2026
Fortinet
Parameter Value
CVSS 8.8 (HIGH)
Affected Versions 6.2.9 — 7.6.4
Fixed In 7.0.18
Type CWE-306 (Missing Authentication for Critical Function)
Vendor Fortinet
Public PoC No

A missing authentication for critical function vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiOS 6.2.9 through 6.2.17 allows attacker to execute unauthorized code or commands via specially crafted packets.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 4

Configuration From (including) Up to (excluding)
Fortinet Fortios
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
6.2.9 7.0.18
Fortinet Fortios
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
7.2.0 7.2.12
Fortinet Fortios
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
7.4.0 7.4.9
Fortinet Fortios
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
7.6.0 7.6.4