Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2025-25249

Severity CVSS v4.0:
Pending analysis
Type:
CWE-122 Heap-based Buffer Overflow
Publication date:
13/01/2026
Last modified:
16/01/2026

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 6.4.0 through 6.4.16, 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

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.10
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* 6.4.0 (including) 6.4.17 (excluding)
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* 7.0.0 (including) 7.0.18 (excluding)
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* 7.2.0 (including) 7.2.12 (excluding)
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* 7.4.0 (including) 7.4.9 (excluding)
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* 7.6.0 (including) 7.6.4 (excluding)
cpe:2.3:a:fortinet:fortiswitchmanager:*:*:*:*:*:*:*:* 7.0.0 (including) 7.0.6 (excluding)
cpe:2.3:a:fortinet:fortiswitchmanager:*:*:*:*:*:*:*:* 7.2.0 (including) 7.2.7 (excluding)
cpe:2.3:a:fortinet:fortisase:25.1.39:*:*:*:-:*:*:*
cpe:2.3:a:fortinet:fortisase:25.1.51:*:*:*:-:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools