CVE-2025-62675: Fortinet FortiOS

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Fortinet FortiOS: from 7.2.0, before 7.6.5 (fixed in 7.6.5)
• Fortinet FortiProxy: from 7.2.0, before 7.6.5 (fixed in 7.6.5)

Published 2026-07-14. Last modified 2026-09-29.