Fortinet Fortios
196 CVEs affecting Fortinet Fortios. Latest disclosed: 2026-05-12. Critical: 13, High: 35.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-24858 | Critical | 9.8 | 2026-01-27 | An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer… |
CVE-2024-23113 | Critical | 9.8 | 2024-02-15 | A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, FortiProxy versions 7… |
CVE-2023-33308 | Critical | 9.8 | 2023-07-26 | A stack-based overflow vulnerability [CWE-124] in Fortinet FortiOS version 7.0.0 through 7.0.10 and 7.2.0 through 7.2.3 and FortiProxy version 7.0.0 through 7… |
CVE-2016-6909 | Critical | 9.8 | 2016-08-24 | Buffer overflow in the Cookie parser in Fortinet FortiOS 4.x before 4.1.11, 4.2.x before 4.2.13, and 4.3.x before 4.3.9 and FortiSwitch before 3.4.3 allows rem… |
CVE-2016-1909 | Critical | 9.8 | 2016-01-15 | Fortinet FortiAnalyzer before 5.0.12 and 5.2.x before 5.2.5; FortiSwitch 3.3.x before 3.3.3; FortiCache 3.0.x before 3.0.8; and FortiOS 4.1.x before 4.1.11, 4… |
CVE-2024-55591 | Critical | 9.6 | 2025-01-14 | An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0 through 7.0.16 and FortiProxy version 7.0.0… |
CVE-2024-21762 | Critical | 9.6 | 2024-02-09 | A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15… |
CVE-2023-25610 | Critical | 9.3 | 2025-03-24 | A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version 7.2.0 through 7.2.3, version 7.0.0 through 7… |
CVE-2023-42789 | Critical | 9.3 | 2024-03-12 | A out-of-bounds write in Fortinet FortiOS 7.4.0 through 7.4.1, 7.2.0 through 7.2.5, 7.0.0 through 7.0.12, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, FortiProx… |
CVE-2022-42475 | Critical | 9.3 | 2023-01-02 | 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… |
CVE-2023-27997 | Critical | 9.2 | 2023-06-13 | A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and… |
CVE-2025-59718 | Critical | 9.1 | 2025-12-09 | A improper verification of cryptographic signature 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… |
CVE-2025-22252 | Critical | 9.0 | 2025-05-28 | A missing authentication for critical function in Fortinet FortiProxy versions 7.6.0 through 7.6.1, FortiSwitchManager version 7.2.5, and FortiOS versions 7.4… |
CVE-2025-53844 | High | 8.8 | 2026-05-12 | A out-of-bounds write 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 allows attacker to execu… |
CVE-2022-41334 | High | 8.6 | 2023-02-16 | An improper neutralization of input during web page generation [CWE-79] vulnerability in FortiOS versions 7.0.0 to 7.0.7 and 7.2.0 to 7.2.3 may allow a remote… |
CVE-2022-41335 | High | 8.6 | 2023-02-16 | 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… |
CVE-2023-29181 | High | 8.3 | 2024-02-22 | A use of externally-controlled format string in Fortinet FortiOS 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, 6.2.0 through 6.2.14, 6.0.0 t… |
CVE-2023-44250 | High | 8.3 | 2024-01-10 | An improper privilege management vulnerability [CWE-269] in a Fortinet FortiOS HA cluster version 7.4.0 through 7.4.1 and 7.2.5 and in a FortiProxy HA cluster… |
CVE-2023-41678 | High | 8.3 | 2023-12-13 | A double free in Fortinet FortiOS versions 7.0.0 through 7.0.5, FortiPAM version 1.0.0 through 1.0.3, 1.1.0 through 1.1.1 allows attacker to execute unauthoriz… |
CVE-2022-41330 | High | 8.3 | 2023-04-11 | An improper neutralization of input during web page generation vulnerability ('Cross-site Scripting') [CWE-79] in Fortinet FortiOS version 7.2.0 through 7.2.3… |