Critical 9.4Known exploited (CISA KEV)Published Nov 14, 2025

CVE-2025-64446A 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…

Updated under an hour ago (2026-10-19 04:50 UTC)

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It affects Fortinet FortiWeb. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Nov 14, 2025; federal agencies had to remediate by Nov 21, 2025. Treat that date as your deadline.

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Exploited in the last 30 days

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.

CVSS: 9.4 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
Weakness (CWE): CWE-23
Known exploited: Added to CISA KEV Nov 14, 2025; federal remediation due Nov 21, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS (exploitation in the next 30 days): 91.97% (percentile 100)
Assigned by: fortinet
NVD analysis: Analyzed
Record last updated: Feb 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Fortinet FortiWeb fortinet:fortiweb	from 8.0.0 through 8.0.1; from 7.6.0 through 7.6.4; from 7.4.0 through 7.4.9; from 7.2.0 through 7.2.11; from 7.0.0 through 7.0.11	CNA record
fortinet fortiweb fortinet:fortiweb	from 7.0.0 before 7.0.12; from 7.2.0 before 7.2.12; from 7.4.0 before 7.4.10; from 7.6.0 before 7.6.5; from 8.0.0 before 8.0.2	NVD

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-910vendor-advisory
https://github.com/watchtowrlabs/watchTowr-vs-Fortiweb-AuthBypassexploit, third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-64446us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.