Description
An origin validation error [CWE-346] vulnerability in Fortinet FortiOS IPSec VPN version 7.4.0 through 7.4.1 and version 7.2.6 and below allows an authenticated IPSec VPN user with dynamic IP addressing to send (but not receive) packets spoofing the IP of another user via crafted network packets.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Fortinet | FortiProxy | 7.4.0 – ≤ 7.4.1, 7.2.0 – ≤ 7.2.6, 7.0.0 – ≤ 7.0.12 | — |
| Fortinet | FortiOS | 7.4.0 – ≤ 7.4.1, 7.2.0 – ≤ 7.2.10, 7.0.0 – ≤ 7.0.16, 6.4.0 – ≤ 6.4.15, 6.2.0 – ≤ 6.2.16 | — |
Advisories 4
- ICSA-24-074-05 Siemens RUGGEDCOM APE1808 CISA ICS & IT advisories · Jan 14, 2026
- SSA-832273 SSA-832273: Multiple Vulnerabilities in Fortigate NGFW Before V7.4.3 on RUGGEDCOM APE1808 Devices Siemens ProductCERT · Jan 13, 2026
- NCSC-2025-0018 Kwetsbaarheden verholpen in Fortinet FortiSwitch, FortiManager, FortiAnalyzer, FortiOS en FortiProxy NCSC-NL (Netherlands) · Jan 15, 2025
- WID-SEC-2025-0088 Fortinet FortiOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 14, 2025