Known exploited vulnerability
CVE-2025-64446
The short answer
CVE-2025-64446 affects Fortinet FortiWeb and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-11-14: attackers are using it, so patch it first.
What it is
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.
Weakness: CWE-23.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Nov 14, 2025
Federal due date Nov 21, 2025
EPSS, next 30 days
91%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected products
FortiWeb. NVD's record lists the exact affected versions.
References
- fortiguard.fortinet.com/psirt/FG-IR-25-910 Vendor Advisory
- github.com/watchtowrlabs/watchTowr-vs-Fortiweb-AuthBypass ExploitThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-64446 US Government Resource
Questions
Is CVE-2025-64446 being exploited?
Yes. CISA added CVE-2025-64446 to its Known Exploited Vulnerabilities catalog on 2025-11-14, with a federal remediation due date of 2025-11-21.
How do I fix CVE-2025-64446?
CISA's 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.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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