Vulnerability of FortiOS operating systems and FortiProxy proxy servers in protecting against Internet attacks, due to failure to handle CRLF sequences in HTTP headers, allowing attackers to execute arbitrary code.

The vulnerability of the FortiOS operating systems and the FortiProxy proxy server for protecting against Internet attacks is related to the failure to handle CRLF sequences in HTTP headers. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

EUVD-2025-210466

An Improper Neutralization of CRLF Sequences in HTTP Headers 'HTTP Response Splitting' vulnerability CWE-113 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4 all versions, FortiProxy 7.2 all...

EUVD-2025-210465

An Improper Neutralization of CRLF Sequences in HTTP Headers 'HTTP Response Splitting' vulnerability CWE-113 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4 all versions, FortiProxy 7.2 all...

CVE-2026-23573

Technical details for CVE-2026-23573 are not publicly available in the provided documents. Monitor for updates from Fortinet PSIRTs and NVD for affected products and fixes.

PT-2026-58075

Name of the Vulnerable Software and Affected Versions FortiOS versions 7.4.0 through 7.4.1 FortiOS versions 7.2.x FortiPAM versions 1.0 through 1.8.2 FortiProxy versions 7.4.0 through 7.4.13 FortiProxy versions 7.2.x Description A stack-based buffer overflow occurs when a privileged authenticated...

CVE-2025-67862

An Internal Asset Exposed to Unsafe Debug Access Level or State vulnerability CWE-1244 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.7, FortiOS 7.2.0 through 7.2.10, FortiOS 7.0.0 through 7.0.16, FortiOS 6.4 all versions, FortiProxy 7.6.0 through 7.6.3, FortiPro...

CVE-2025-61624

An Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' CWE-22 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiPAM 1.7.0, FortiPAM 1.6 all versions,...

Fortinet Fortigate Missing Authentication for critical function in CAPWAP daemon (FG-IR-26-125)

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-26-125 advisory. - A missing authentication for critical function vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through...

PT-2026-32650

A missing authentication for critical function vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiOS 6.2.9 through 6.2.17 allows attacker to execute unauthorized code or...

Siemens APE1808 Inconsistent Interpretation of HTTP Requests (CVE-2025-55018)

An inconsistent interpretation of http requests 'http request smuggling' vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request...

Siemens APE1808 Allocation of Resources Without Limits or Throttling (CVE-2024-46668)

An allocation of resources without limits or throttling vulnerability CWE-770 in FortiOS versions 7.4.0 through 7.4.4, versions 7.2.0 through 7.2.8, versions 7.0.0 through 7.0.15, and versions 6.4.0 through 6.4.15 may allow an unauthenticated remote user to consume all system memory via multiple...

The vulnerability of the SSL-VPN network interface function in Fortinet FortiOS operating systems allows attackers to bypass existing security mechanisms.

The vulnerability of the SSL-VPN network interface function in Fortinet FortiOS operating systems involves bypassing authentication due to a fundamental error. Exploiting this vulnerability allows an attacker to circumvent existing security mechanisms remotely...

CVE-2026-22153

An Authentication Bypass by Primary Weakness vulnerability CWE-305 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way...

CVE-2025-64157

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0 all versions allows an authenticated admin to execute unauthorized code or commands via specifically crafted configuration...

CVE-2025-68686

An Exposure of Sensitive Information to an Unauthorized Actor vulnerability CWE-200 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow a remote unauthenticated attacker to bypas...

CVE-2025-64157

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0 all versions allows an authenticated admin to execute unauthorized code or commands via specifically crafted configuration...

CVE-2025-68686

An Exposure of Sensitive Information to an Unauthorized Actor vulnerability CWE-200 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow a remote unauthenticated attacker to bypas...

PT-2026-7281

Name of the Vulnerable Software and Affected Versions Fortinet FortiOS versions 7.6.0 through 7.6.4 Description An authentication bypass issue exists in Fortinet FortiOS. This flaw may allow an unauthenticated attacker to bypass LDAP authentication for Agentless VPN or Fortinet Single Sign-On FSS...

CVE-2026-25815

CVE-2026-25815 affects Fortinet FortiOS up to and including 7.6.6. The issue stems from an encryption weakness where the default LDAP encryption key is the same across all installations, enabling attackers to decrypt LDAP credentials stored in device configuration files. Exploitation was observed...

CVE-2025-25249

CVE-2025-25249 is a heap-based buffer overflow (CWE-122) in the cw_acd daemon of Fortinet FortiOS (6.4, 7.0, 7.2, 7.4, 7.6), FortiSASE (25.1.a.2, 25.2.b), and FortiSwitchManager (7.0, 7.2). A remote, unauthenticated attacker can execute arbitrary code via specially crafted packets. Fortinet notes...