7.4
High
Exploited
CVE-2025-25249 Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Ransomware campaigns
Not observed so far
Weakness
CWE-787, CWE-122
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
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| FortiSwitchManager 7.2 | 7.2.2 → 7.2.5 | No fix stated |
| FortiSASE | 25.1.a.2 | No fix stated |
| FortiOS 7.6 | 7.6.0 → 7.6.2 | No fix stated |
| FortiOS 7.4 | 7.4.0 → 7.4.7 | No fix stated |
| FortiOS 7.2 | 7.2.4 → 7.2.11 | No fix stated |
| RUGGEDCOM APE1808 | Versions not published |
References
- fortiguard.fortinet.com fortiguard.fortinet.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
Other CVEs of FortiSwitchManager
The 20 CVEs of FortiSwitchManager →
CVE-2026-59840
A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all…
4.1
Medium
CVE-2025-61624
Fortinet Multiple Products Path Traversal Vulnerability
5.4
Medium
CVE-2025-59718
Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability
9.1
Critical
CVE-2024-26008
An improper check or handling of exceptional conditions vulnerability [CWE-703] in FortiOS version 7.4.0 through 7.4.3…
5.0
Medium