What is CVE-2025-64446?

CVE-2025-64446 is a critical-severity vulnerability in Fortinet Fortiweb, classified under Relative Path Traversal. CVSS score: 9.8/10. Published 2025-11-14.

How severe is CVE-2025-64446?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-64446 known to be exploited?

Yes. CVE-2025-64446 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-11-14), indicating it is being actively exploited. 16 public proof-of-concept repositories are indexed.

Path Traversal in Fortinet Fortiweb

CVE-2025-64446

A relative path traversal vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0 through 7.6.4, FortiWeb 7.4.0 through 7.4.9, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow an attacker to execute administrative commands on the system via crafted HTTP or HTTPS requests.

Published 2025-11-14 · last modified 2026-10-18.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.920 (99.8th percentile), scored 2026-10-16.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.918 · newest: 0.920 · change: +0.001

Affected products

Fortinet Fortiweb — versions 8.0.0, 7.6.0, 7.4.0

Weakness classification (CWE)

CWE-23 — Relative Path Traversal

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2025-11-14. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2025-11-21.

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

fortiguard.fortinet.com/psirt/FG-IR-25-910 (Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2025-64446?: CVE-2025-64446 is a critical-severity vulnerability in Fortinet Fortiweb, classified under Relative Path Traversal. CVSS score: 9.8/10. Published 2025-11-14.
How severe is CVE-2025-64446?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-64446 known to be exploited?: Yes. CVE-2025-64446 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-11-14), indicating it is being actively exploited. 16 public proof-of-concept repositories are indexed.