CVE-2025-25249

HIGH

Fortinet FortiOS <7.6.3 - Buffer Overflow

Title source: llm
STIX 2.1

Description

A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows attacker to execute unauthorized code or commands via specially crafted packets

Scores

CVSS v3 8.1
EPSS 0.0001
EPSS Percentile 2.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/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-122 CWE-787
Status published
Products (4)
fortinet/fortios 6.4.0 - 6.4.17
fortinet/fortisase 25.1.39
fortinet/fortisase 25.1.51
fortinet/fortiswitchmanager 7.0.0 - 7.0.6
Published Jan 13, 2026
Tracked Since Feb 18, 2026