Fortinet Firewalls Vulnerabilities & Security Advisories
31 advisories tracked · FortiGuard PSIRT Advisories · 4 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Fortinet advisory that VulniPulse classified as Firewalls, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 3 critical, 2 high, 18 medium, 8 low.
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Source
FortiGuard PSIRT Advisories
Polled via the official FortiGuard PSIRT RSS feed (filestore.fortinet.com). PSIRT pages are fetched for new items to extract affected and fixed versions.
Latest Fortinet Firewalls advisories
Low [CVE-2025-62675] Header injection in Web Filter warning page
CVSSv3 Score: 3.4 An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-113] in FortiOS and FortiProxy 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. Revised on 2026-07-14 00:00:00
Low [CVE-2025-62826] Header injection in captive portal authentication form
CVSSv3 Score: 3.1 An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-113] in FortiOS and FortiProxy captive portal may allow an attacker able to intercept and modify a user's authentication request to inject arbitrary headers via crafted HTTP requests. Revised on 2026-07-14 00:00:00
Low [CVE-2025-54821] Trusted hosts bypass via SSH
CVSSv3 Score: 1.8 An Improper Privilege Management vulnerability [CWE-269] in FortiOS, FortiProxy and FortiPAM may allow an authenticated administrator to bypass the trusted host policy via crafted CLI command. Revised on 2026-05-27 00:00:00 Affected products named by the advisory: FortiSASE.
Low [CVE-2025-58903] Unchecked Return Value vulnerability [CWE-252] in Fortinet FortiOS version 7.6.0 through 7.6.3 and before 7.4.8 API
An Unchecked Return Value vulnerability [CWE-252] in Fortinet FortiOS version 7.6.0 through 7.6.3 and before 7.4.8 API allows an authenticated user to cause a Null Pointer Dereference, crashing the http daemon via a specialy crafted request.
Low [CVE-2025-31514] Insertion of Sensitive 2FA Information in logs and debug command
CVSSv3 Score: 2.6 An Insertion of Sensitive Information into Log File vulnerability [CWE-532] in FortiOS may allow an attacker with at least read-only privileges to retrieve sensitive 2FA-related information via observing logs or via diagnose command. Revised on 2026-06-08 00:00:00 Affected products named by the advisory: FortiProxy.
Low [CVE-2025-25250] Information Disclosure on SSLVPN endpoint
CVSSv3 Score: 3.9 An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] in FortiOS SSL-VPN web-mode may allow an authenticated user to access full SSL-VPN settings via crafted URL. Revised on 2026-06-15 00:00:00 Affected products named by the advisory: FortiSASE.
Low [CVE-2024-32122] storing passwords in a recoverable format in Fortinet FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all…
A storing passwords in a recoverable format in Fortinet FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to information disclosure via modification of LDAP server IP to point to a malicious server.
Low [CVE-2024-52963] out-of-bounds write in Fortinet FortiOS versions 7.6.0, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.0 through 7.0.16, 6.4.0…
A out-of-bounds write in Fortinet FortiOS versions 7.6.0, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.0 through 7.0.16, 6.4.0 through 6.4.15 allows attacker to trigger a denial of service via specially crafted packets. Affected products named by the advisory: FortiProxy.