Fortinet vulnerabilities
We track 474 vulnerabilities in Fortinet products across 60+ products. 468 are rated high or critical, and 32 have been exploited in real attacks. The most recent was published on November 11, 2026.
Latest Fortinet vulnerabilities
- 7.8 High severity
FortiClientWindows: Incorrect Authorization
A incorrect authorization in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10 allows an attacker to execute unauthorized code or commands via sending a crafted request to a specific named pipe.
- 7.8 High severity
FortiDDoS: Improper Neutralization of Special Elements used in an OS Command
An improper neutralization of special elements used in an OS command vulnerability [CWE-78] in FortiADC 5.x all versions, 6.0 all versions, 6.1 all versions, 6.2.0 through 6.2.4, 7.0.0 through 7.0.3, 7.1.0; FortiDDoS 4.x all versions, 5.0 all versions, 5.1 all
- 8.8 High severity
FortiDeceptor: Improper Privilege Management
A improper privilege management in Fortinet FortiSandbox version 4.2.0 through 4.2.2, 4.0.0 through 4.0.2 and before 3.2.3 and FortiDeceptor version 4.1.0, 4.0.0 through 4.0.2 and before 3.3.3 allows a remote authenticated attacker to perform unauthorized API
- 7.3 High severity
FortiAnalyzer: Improper Neutralization of Formula Elements in a CSV File
A improper neutralization of formula elements in a CSV file vulnerability in Fortinet FortiAnalyzer 6.4.0 - 6.4.9, 7.0.0 - 7.0.5, and 7.2.0 - 7.2.1 allows local attacker to execute unauthorized code or commands via inserting spreadsheet formulas in macro names
- 7.2 High severity
FortiSOAR: Improper Access Control
A improper access control vulnerability in Fortinet FortiSOAR 7.3.0 - 7.3.1 allows an attacker authenticated on the administrative interface to perform unauthorized actions via crafted HTTP requests.
- 8.2 High severity
FortiOS: Improper Limitation of a Pathname to a Restricted Directory
A relative path traversal vulnerability [CWE-23] vulnerability in Fortinet FortiOS 7.2.0 through 7.2.3, FortiOS 7.0.0 through 7.0.8, FortiOS 6.4.0 through 6.4.11, FortiOS 6.2.0 through 6.2.12, FortiProxy 7.2.0 through 7.2.1, FortiProxy 7.0.0 through 7.0.7, For
- 7.5 High severity
FortiRecorder: Uncontrolled Resource Consumption
An uncontrolled resource consumption vulnerability [CWE-400] in FortiRecorder version 6.4.3 and below, 6.0.11 and below login authentication mechanism may allow an unauthenticated attacker to make the device unavailable via crafted GET requests.
- 7.1 High severity
Fortinet FortiOS Path Traversal Exploited
A improper limitation of a pathname to a restricted directory vulnerability ('path traversal') [CWE-22] in Fortinet FortiOS version 7.2.0 through 7.2.3, 7.0.0 through 7.0.9 and before 6.4.11 allows a privileged attacker to read and write files on the underlyin
- 7.8 High severity
FortiNAC: Improper Privilege Management
A improper privilege management in Fortinet FortiNAC version 9.4.0 through 9.4.1, FortiNAC version 9.2.0 through 9.2.6, FortiNAC version 9.1.0 through 9.1.8, FortiNAC all versions 8.8, FortiNAC all versions 8.7, FortiNAC all versions 8.6, FortiNAC all versions
- 8.8 High severity
FortiWeb: Improper Neutralization of Special Elements used in an OS Command
A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.3.6 through 6.3.20, FortiWeb 6.4 all versions allows attacker to execute unauthorized code or comm
- 7.8 High severity
FortiWeb: Out-of-bounds Write
A stack-based buffer overflow in Fortinet FortiWeb 6.4 all versions, FortiWeb versions 6.3.17 and earlier, FortiWeb versions 6.2.6 and earlier, FortiWeb versions 6.1.2 and earlier, FortiWeb versions 6.0.7 and earlier, FortiWeb versions 5.9.1 and earlier, Forti
- 7.8 High severity
FortiWeb: Use of Externally-Controlled Format String
A use of externally-controlled format string in Fortinet FortiWeb version 7.0.0 through 7.0.1, FortiWeb 6.4 all versions allows attacker to execute unauthorized code or commands via specially crafted command arguments.
- 7.8 High severity
FortiWeb: Out-of-bounds Write
A heap-based buffer overflow in Fortinet FortiWeb version 7.0.0 through 7.0.1, FortiWeb version 6.3.0 through 6.3.19, FortiWeb 6.4 all versions, FortiWeb 6.2 all versions, FortiWeb 6.1 all versions allows attacker to escalation of privilege via specifically cr
- 8.8 High severity
FortiWeb: Out-of-bounds Write
A stack-based buffer overflow vulnerability [CWE-121] in FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.19 and below SAML server configuration may allow an authenticated attacker to achieve arbitrary code execution via specifically crafted XML
- 8.8 High severity
FortiWeb: Out-of-bounds Write
A stack-based buffer overflow in Fortinet FortiWeb version 7.0.0 through 7.0.1, Fortinet FortiWeb version 6.3.6 through 6.3.19, Fortinet FortiWeb 6.4 all versions allows attacker to escalation of privilege via specifically crafted HTTP requests.
- 8.8 High severity
FortiWeb: Improper Neutralization of Special Elements used in an OS Command
Multiple improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.19 and below may allow an authenticated attacker to execute unauthor
- 8.1 High severity
FortiSwitchManager: Improper Limitation of a Pathname to a Restricted Directory
A relative path traversal vulnerability [CWE-23] in Fortinet FortiOS version 7.2.0 through 7.2.2, 7.0.0 through 7.0.8 and before 6.4.10, FortiProxy version 7.2.0 through 7.2.1, 7.0.0 through 7.0.7 and before 2.0.10, FortiSwitchManager 7.2.0 and before 7.0.0 al
- 7.8 High severity
FortiWeb: Double Free
A double free in Fortinet FortiWeb version 7.0.0 through 7.0.3 may allows attacker to execute unauthorized code or commands via specially crafted commands
- 7.8 High severity
FortiNAC: Insufficiently Protected Credentials
An insufficiently protected credentials in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 may allow a local attacker with database access to
- 8.8 High severity
FortiNAC: Improper Neutralization of Argument Delimiters in a Command
A improper neutralization of argument delimiters in a command ('argument injection') in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 allow
- 7.4 High severity
Some cryptographic issues in Fortinet FortiNAC versions 9.4.0 through 9.4.1, 9.2.0 through…
Some cryptographic issues in Fortinet FortiNAC versions 9.4.0 through 9.4.1, 9.2.0 through 9.2.7, 9.1.0 through 9.1.8, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 may allow an attacker to decrypt and forge protoco
- 9.1 Critical severity
FortiNAC: Improper Restriction of XML External Entity Reference
An improper restriction of xml external entity reference in Fortinet FortiNAC version 9.4.0 through 9.4.1, FortiNAC version 9.2.0 through 9.2.7, FortiNAC version 9.1.0 through 9.1.8, FortiNAC version 8.8.0 through 8.8.11, FortiNAC version 8.7.0 through 8.7.6,
- 9.8 Critical severity
FortiNAC: Exposure of Resource to Wrong Sphere
A external control of file name or path in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 may allow an unauthenticated attacker to execute u
- 7.4 High severity
FortiProxy: Improper Certificate Validation
An improper certificate validation vulnerability [CWE-295] in FortiOS 7.2.0 through 7.2.3, 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions and FortiProxy 7.0.0 through 7.0.6, 2.0 all versions, 1.2 all versions may allow a remote and u
- 9.8 Critical severity
FortiNAC: Improper Authorization
An improper authorization vulnerability [CWE-285] in Fortinet FortiNAC version 9.4.0 through 9.4.1 and before 9.2.6 allows an unauthenticated user to perform some administrative operations over the FortiNAC instance via crafted HTTP POST requests.
- 7.2 High severity
FortiWeb: Out-of-bounds Write
A stack-based buffer overflow vulnerability [CWE-121] in FortiWeb version 7.0.1 and earlier, 6.4 all versions, version 6.3.19 and earlier may allow a privileged attacker to execute arbitrary code or commands via specifically crafted CLI `execute backup-local r
- 8.8 High severity
FortiWAN: Improper Neutralization of Special Elements used in an OS Command
An improper neutralization of special elements used in an OS command vulnerability [CWE-78] in the management interface of FortiWAN 4.0.0 through 4.5.9 may allow an authenticated attacker to execute unauthorized commands via specifically crafted arguments to e
- 8.8 High severity
FortiWeb: Out-of-bounds Write
A stack-based buffer overflow vulnerability [CWE-121] in the CA sign functionality of FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.19 and below may allow an authenticated attacker to achieve arbitrary code execution via specifically crafted
- 8.8 High severity
FortiWeb: Improper Neutralization of Special Elements used in an OS Command
An improper neutralization of special elements used in an os command ('OS Command Injection') [CWE-78] in FortiWeb 7.0.0 through 7.0.1, 6.3.0 through 6.3.19, 6.4 all versions may allow an authenticated attacker to execute arbitrary shell code as `root` user vi
- 7.2 High severity
FortiExtender: Improper Neutralization of Special Elements used in an OS Command
A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiExtender 7.0.0 through 7.0.3, 5.3.2, 4.2.4 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests.
- 7.8 High severity
FortiADC: Improper Neutralization of Special Elements used in an OS Command
A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiADC version 7.0.0 through 7.0.1, 6.2.0 through 6.2.2, 6.1.0 through 6.1.6, 6.0.x, 5.x.x allows attacker to execute arbitrary shell code as `root` via
- 7.5 High severity
FortiSandbox: Use of Password Hash With Insufficient Computational Effort
A use of password hash with insufficient computational effort vulnerability [CWE-916] in FortiSandbox before 4.2.0 may allow an attacker with access to the password database to efficiently mount bulk guessing attacks to recover the passwords.
- 7.5 High severity
FortiManager: Incorrect User Management
An incorrect user management vulnerability [CWE-286] in the FortiManager version 6.4.6 and below VDOM creation component may allow an attacker to access a FortiGate without a password via newly created VDOMs after the super_admin account is deleted.
- 8.8 High severity
FortiADC: Improper Neutralization of Special Elements used in an OS Command
A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiADC version 7.0.0 through 7.0.2, FortiADC version 6.2.0 through 6.2.3, FortiADC version version 6.1.0 through 6.1.6, FortiADC version 6.0.0 through 6.
- 8.8 High severity
FortiTester: Improper Neutralization of Special Elements used in an OS Command
Multiple improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in FortiTester 7.1.0, 7.0 all versions, 4.0.0 through 4.2.0, 2.3.0 through 3.9.1 may allow an authenticated attacker to execute arbitra
- 9.8 Critical severity
Fortinet FortiOS Heap-Based Buffer Overflow Exploited
A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.10, 6.2.0 through 6.2.11, 6.0.15 and earlier and FortiProxy SSL-VPN 7.2.0 through 7.2.1, 7.0.7 and earlier may allow a remote un
- 9.8 Critical severity
FortiOS: Improper Authentication
An authentication bypass by assumed-immutable data vulnerability [CWE-302] in the FortiOS SSH login component 7.2.0, 7.0.0 through 7.0.7, 6.4.0 through 6.4.9, 6.2 all versions, 6.0 all versions and FortiProxy SSH login component 7.0.0 through 7.0.5, 2.0.0 thro
- 8.8 High severity
FortiADC: Improper Neutralization of Special Elements used in an SQL Command
An improper neutralization of special elements used in an SQL Command ('SQL Injection') vulnerability in Fortinet FortiADC version 7.1.0, version 7.0.0 through 7.0.2 and version 6.2.4 and below allows an authenticated attacker to execute unauthorized code or c
- 7.5 High severity
FortiSandbox: Improper Restriction of Excessive Authentication Attempts
An insufficient logging [CWE-778] vulnerability in FortiSandbox versions 4.0.0 to 4.0.2, 3.2.0 to 3.2.3 and 3.1.0 to 3.1.5 and FortiDeceptor versions 4.2.0, 4.1.0 through 4.1.1, 4.0.0 through 4.0.2, 3.3.0 through 3.3.3, 3.2.0 through 3.2.2,3.1.0 through 3.1.1
- 7.5 High severity
Fortinet FortiOS: Exposure of Sensitive Information to an Unauthorized Actor
An exposure of sensitive information to an unauthorized actor vulnerabiltiy [CWE-200] in FortiOS SSL-VPN versions 7.2.0, versions 7.0.0 through 7.0.6 and versions 6.4.0 through 6.4.9 may allow a remote unauthenticated attacker to gain information about LDAP an