Buffer over-read in FortiProxy and FortiOS - CVE-2025-43892
Published: July 14, 2026
Vulnerability identifier: #VU137532
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-43892
CWE-ID: CWE-126
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiProxy
FortiOS
FortiProxy
FortiOS
Detailed vulnerability description
The vulnerability allows a remote authenticated user to gain access to sensitive information.
The vulnerability exists due to buffer over-read in authd and wad daemon. An authenticated remote attacker can return a portion of device memory in the redirect response via submitting a specially crafted request.
How to mitigate CVE-2025-43892
Install update from vendor's website.