Description
A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiSASE 25.3.b allows attacker to execute unauthorized code or commands via specially crafted packets
References (2)
Core 2
Core References
Vendor Advisory
https://fortiguard.fortinet.com/psirt/FG-IR-25-632
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-864900.html
Scores
CVSS v3
7.5
EPSS
0.0030
EPSS Percentile
22.0%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-121
CWE-787
Status
published
Products (10)
Fortinet/FortiOS
6.0.0 - 6.0.18
fortinet/fortios
6.0.0 - 7.4.9
Fortinet/FortiOS
6.2.0 - 6.2.17
Fortinet/FortiOS
6.4.0 - 6.4.16
Fortinet/FortiOS
7.0.0 - 7.0.18
Fortinet/FortiOS
7.2.0 - 7.2.12
Fortinet/FortiOS
7.4.0 - 7.4.8
Fortinet/FortiOS
7.6.0 - 7.6.3
fortinet/fortisase
25.3.89 (2 CPE variants)
Fortinet/FortiSASE
25.3.b
Published
Nov 18, 2025
Tracked Since
Feb 18, 2026