CVEs / CVE-2025-64446
CVE-2025-64446: Fortinet FortiWeb Path Traversal Vulnerability
- Known exploited in the CISA KEV catalog since 14 Nov 2025
- critical 9.8 CVSS 3.1 (from the CNA)
- EPSS 91% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Fortinet FortiWeb contains a relative path traversal vulnerability that may allow an unauthenticated attacker to execute administrative commands on the system via crafted HTTP or HTTPS requests.
Description
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Fortinet FortiWeb | from 8.0.0, up to and including 8.0.1 | — |
| Fortinet FortiWeb | from 7.6.0, up to and including 7.6.4 | — |
| Fortinet FortiWeb | from 7.4.0, up to and including 7.4.9 | — |
| Fortinet FortiWeb | from 7.2.0, up to and including 7.2.11 | — |
| Fortinet FortiWeb | from 7.0.0, up to and including 7.0.11 | — |
Exploitation
| In CISA KEV since | 14 Nov 2025 |
|---|---|
| Due date for US federal agencies | 21 Nov 2025 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-23 |
References
- CVE-2025-64446 on NVD
- CVE-2025-64446 in the CISA KEV catalog
- https://www.fortiguard.com/psirt/FG-IR-25-910 (cited by CISA)
- https://fortiguard.fortinet.com/psirt/FG-IR-25-910 Vendor Advisory
- https://github.com/watchtowrlabs/watchTowr-vs-Fortiweb-AuthBypass Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-64446 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.