CVE-2026-71407

A Stack-based Buffer Overflow vulnerability CWE-121 vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands in the context of the WAD daemon via crafted sockets, only if the explicit...

CVE-2026-71408

A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions may allow attacker to denial of service via...

CVE-2026-71407

Fortinet FortiOS 7.6.1–7.6.6 contains a Stack-based Buffer Overflow (CWE-121) in the WAD daemon. An unauthenticated attacker who can bypass stack protection and ASLR could execute arbitrary code or commands via crafted sockets, but only when the explicit proxy is configured with Kerberos authenti...

EUVD-2026-57191

A Stack-based Buffer Overflow vulnerability CWE-121 vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands in the context of the WAD daemon via crafted sockets, only if the explicit...

CVE-2026-71407

A Stack-based Buffer Overflow vulnerability CWE-121 vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands in the context of the WAD daemon via crafted sockets, only if the explicit...

CVE-2026-71407

A Stack-based Buffer Overflow vulnerability CWE-121 vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands in the context of the WAD daemon via crafted sockets, only if the explicit...

CVE-2026-71408

CVE-2026-71408 affects Fortinet FortiOS across multiple lines: FortiOS 7.6.0–7.6.6, FortiOS 7.4 (all versions), and FortiOS 7.2 (all versions) with a resource allocation vulnerability leading to denial of service. The root cause is unbounded resource allocation, enabling network-based exploitatio...

EUVD-2026-57189

A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions may allow attacker to denial of service via...

CVE-2026-71408

A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions may allow attacker to denial of service via...

CVE-2026-71408

A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions may allow attacker to denial of service via...

CVE-2026-71408

A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions may allow attacker to denial of service via...

Fortinet FortiOS - Open Redirect/Cross-Site Scripting

FortiOS Web User Interface in 5.0.x before 5.0.13, 5.2.x before 5.2.3, and 5.4.x before 5.4.0 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks or cross-site scripting attacks via the "redirect" parameter to "login." id: CVE-2016-3978 info: name: Fortin...

Fortinet FortiOS < 5.6.0 - Cross-Site Scripting

A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to Execute unauthorized code or commands via the action input during the activation of a FortiToken. id: CVE-2017-3132 info: name: Fortinet FortiOS 5.6.0 - Cross-Site Scripting author: ritikchaddh...

FortiOS 5.4.0 to 5.6.0 - Cross-Site Scripting

A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.4.0 through 5.4.4 and 5.6.0 allows attackers to execute unauthorized code or commands via the filter input in "Applications" under FortiView. id: CVE-2017-3131 info: name: FortiOS 5.4.0 to 5.6.0 - Cross-Site Scripting author:...

Fortinet FortiOS < 5.6.0 - Cross-Site Scripting

A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to execute unauthorized code or commands via the Replacement Message HTML for SSL-VPN. id: CVE-2017-3133 info: name: Fortinet FortiOS 5.6.0 - Cross-Site Scripting author: ritikchaddha severity:...

Fortinet - Authentication Bypass

Fortinet FortiOS is vulnerable to an information disclosure via service-worker.js that could allow an attacker to access sensitive information.This vulnerability affects FortiOS and could potentially lead to unauthorized access to the system. id: CVE-2024-55591 info: name: Fortinet - Authenticati...

Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability

Fortinet FortiOS contains an exposure of sensitive information to an unauthorized actor vulnerability. This may allow a remote unauthenticated attacker to bypass the patch developed for the symbolic link persistency mechanism observed in some post-exploit cases, via crafted HTTP requests. An...

VulnCheck KEV: 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...

VulnCheck KEV: CVE-2025-62631

An insufficient session expiration vulnerability CWE-613 vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to maintain access to network resources via an active SSLVPN session not terminated after a user's passwor...

Vulnerabilities exist in several Fortinet products

Fortinet has identified vulnerabilities in several versions of FortiSIEM Windows Agent and general product versions, FortiOS, FortiPAM, and FortiProxy. One vulnerability exists in the FortiSIEM Windows Agent versions 7.4.0 through 7.4.1 with the identifier CVE-2026-59841. This vulnerability allow...