VendorsFortinetfortiosany version
Vulnerabilities

Fortinet FortiOS any version

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

251CVEs
CVE-2025-62826
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 versions may allow an attacker able to intercept and modify a user's captive portal authentication request to inject arbitrary headers via crafted HTTP requests.
Published 2026-07-14 · Modified
4.3EPSS 0.004
CVE-2025-31514
A insertion of sensitive information into log file vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions may allow attacker to information disclosure via <insert attack vector here>
Published 2025-10-14 · Modified
4.3EPSS 0.004
CVE-2025-54822
An improper authorization vulnerability [CWE-285] vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.8, FortiOS 7.0.0 through 7.0.11, FortiProxy 7.4.0 through 7.4.8, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions, FortiProxy 2.0 all versions allows an authenticated attacker to access static files of others VDOMs via crafted HTTP or HTTPS requests.
Published 2025-10-14 · Modified
4.3EPSS 0.003
CVE-2026-59840
A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiProxy 7.6.0 through 7.6.5, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions may allow attacker to information disclosure via <insert attack vector here>
Published 2026-07-14 · Modified
4.3EPSS 0.003
CVE-2021-43074
An improper verification of cryptographic signature vulnerability [CWE-347] in FortiWeb 6.4 all versions, 6.3.16 and below, 6.2 all versions, 6.1 all versions, 6.0 all versions; FortiOS 7.0.3 and below, 6.4.8 and below, 6.2 all versions, 6.0 all versions; FortiSwitch 7.0.3 and below, 6.4.10 and below, 6.2 all versions, 6.0 all versions; FortiProxy 7.0.1 and below, 2.0.7 and below, 1.2 all versions, 1.1 all versions, 1.0 all versions may allow an attacker to decrypt portions of the administrative session management cookie if able to intercept the latter.
Published 2023-02-16 · Modified
4.3EPSS 0.003
CVE-2025-62675
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 versions may allow an attacker in possession of a valid web filter override token to inject arbitrary headers via tricking a user into clicking on a crafted link.
Published 2026-07-14 · Modified
4.3EPSS 0.003
CVE-2025-47295
A buffer over-read in Fortinet FortiOS versions 7.4.0 through 7.4.3, versions 7.2.0 through 7.2.7, and versions 7.0.0 through 7.0.14 may allow a remote unauthenticated attacker to crash the FGFM daemon via a specially crafted request, under rare conditions that are outside of the attacker's control.
Published 2025-05-28 · Analyzed
3.7EPSS 0.008
CVE-2024-46665
An insertion of sensitive information into sent data vulnerability [CWE-201] in FortiOS 7.6.0, 7.4.0 through 7.4.4 may allow an attacker in a man-in-the-middle position to retrieve the RADIUS accounting server shared secret via intercepting accounting-requests.
Published 2025-01-14 · Analyzed
3.7EPSS 0.005
CVE-2022-29053
A missing cryptographic steps vulnerability [CWE-325] in the functions that encrypt the keytab files in FortiOS version 7.2.0, 7.0.0 through 7.0.5 and below 7.0.0 may allow an attacker in possession of the encrypted file to decipher it.
Published 2022-09-06 · Modified
3.3EPSS 0.003
CVE-2022-29054
A missing cryptographic steps vulnerability [CWE-325] in the functions that encrypt the DHCP and DNS keys in Fortinet FortiOS version 7.2.0, 7.0.0 through 7.0.5, 6.4.0 through 6.4.9, 6.2.x and 6.0.x may allow an attacker in possession of the encrypted key to decipher it.
Published 2023-02-16 · Modified
3.3EPSS 0.002
CVE-2023-29184
An incomplete cleanup vulnerability [CWE-459] in FortiOS 7.2 all versions and before & FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 allows a VDOM privileged attacker to add SSH key files on the system silently via crafted CLI requests.
Published 2025-06-10 · Analyzed
3.2EPSS 0.002
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