Vulnerability Intelligence Report
Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability
CVE-2025-25249
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
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
7.4
HIGH
Exploitability:2.3
Impact Score:5.9
EPSS Probability:0.76%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-122 ↗Execute unauthorized code or commands
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Fortinet | FortiSwitchManager | 7.2.2 <= 7.2.5 (affected) |
| Fortinet | FortiOS | 7.6.0 <= 7.6.2 (affected), 7.4.0 <= 7.4.7 (affected), 7.2.4 <= 7.2.11 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Fortinet, Inc. · Vendor · USA |
| Reserved | 2025-02-05T13:31:18 |
| Published | 2026-01-13T16:32:35 |
| Last Updated | 2026-09-10T03:55:15 |
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