What is 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.
The record classifies CVE-2025-62675 under weakness class CWE-113. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first. 3 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 115 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 3.4 — LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N/E:P/RL:O/RC:C - EPSS (FIRST)
- 0.2% probability of exploitation in the next 30 days, higher than 17.7% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 2.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-07-14, last modified 2026-08-11
Is CVE-2025-62675 being exploited?
It currently carries a trending score of 17 in the Threadlinqs vulnerability feed.
Affected products and versions
- Fortinet: FortiOS, FortiPAM, FortiProxy
How to fix CVE-2025-62675
No vendor patch reference has been recorded for CVE-2025-62675 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2025-62675
1 tracked threat in the Threadlinqs corpus references CVE-2025-62675, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on .