The vulnerability of the FortiOS operating systems and the FortiProxy proxy server, related to improper security checks for standard elements, allows attackers to circumvent existing security restrictions.

A vulnerability in FortiOS and FortiProxy allows remote bypass of security checks due to improper validation of standard elements.

Reporter	Title	Published	Views	Family All 13
GithubExploit	Exploit for Improperly Implemented Security Check for Standard in Fortinet Fortiproxy	19 Nov 202507:47	–	githubexploit
Circl	CVE-2025-25255	19 Nov 202507:52	–	circl
CNNVD	Fortinet FortiOS和Fortinet FortiProxy 安全特征问题漏洞	14 Oct 202500:00	–	cnnvd
CVE	CVE-2025-25255	14 Oct 202515:23	–	cve
Cvelist	CVE-2025-25255	14 Oct 202515:23	–	cvelist
EUVD	EUVD-2025-34236	14 Oct 202518:30	–	euvd
Tenable Nessus	Fortinet Fortigate Domain fronting protection bypass in explicit web proxy (FG-IR-24-372)	15 Oct 202500:00	–	nessus
NCSC	Vulnerabilities fixed in Fortinet FortiOS and FortiProxy	7 Nov 202510:07	–	ncsc
NVD	CVE-2025-25255	14 Oct 202516:15	–	nvd
OSV	CVE-2025-25255	14 Oct 202516:15	–	osv