Open redirect in Fortinet, Inc products - CVE-2025-47890
Published: October 21, 2025
Vulnerability identifier: #VU117428
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2025-47890
CWE-ID: CWE-601
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker on the local network can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
Affected software
FortiOS
FortiProxy
FortiSASE
FortiProxy
FortiSASE
How to mitigate CVE-2025-47890
Install updates from vendor's website.
FortiOS - addressed in versions 7.4.9, 7.6.4
FortiProxy - update to 7.6.4
FortiSASE - update to 25.3.b
FortiProxy - update to 7.6.4
FortiSASE - update to 25.3.b