Out-of-bounds read in FortiAuthenticator - CVE-2025-53379
Published: July 14, 2026
Vulnerability identifier: #VU137523
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-53379
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiAuthenticator
FortiAuthenticator
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The vulnerability exists due to out-of-bounds read in GUI. A remote unauthenticated attacker can retrieve sensitive information via a specially crafted request.
How to mitigate CVE-2025-53379
Install update from vendor's website.