CVE-2025-64446 — Fortiweb
CRITICALCVE-2025-64446 is a critical-severity (CVSS 9.8) CWE-23 vulnerability in fortinet fortiweb. It is in CISA's Known Exploited Vulnerabilities catalog (added 2025-11-14) — treat it as actively exploited and patch now. A fix is available — see the affected versions and patch details below.
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…
Exploitation Status
Actively exploited in the wild
- Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2025-11-14. Federal agencies were required to remediate by 2025-11-21.
- CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
- A successful exploit gives an attacker total control of the affected component, not partial access.
Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2025-64446.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
CVE-2025-64446 by exploitation likelihood (EPSS) against impact (CVSS). In the shaded patch-first corner (EPSS 50%+, CVSS 7.0+).
Where this sits among everything scored
Of 394,803 CVEs with a current EPSS score, this one falls in the ≥ 90% band (highlighted). Counts from FIRST.org, log-scaled.
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 Products
fortiwebfortinetResearch use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
FortiWeb 8.0.2 - Remote Code Execution
by Mohammed Idrees Banyamer · Apr 8, 2026
Fortinet FortiWeb v8.0.1 - Auth Bypass
by nu11secur1ty · Apr 6, 2026
Detection & mitigation playbook
Vendor / applianceDetect
Inventory every fortinet fortiweb deployment and check each version against the affected-products list above.
Fix
Apply the fortinet fortiweb security patch or hotfix for CVE-2025-64446 on the affected version, following the vendor advisory for your exact build.
Workarounds
Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.
How to detect CVE-2025-64446
A community-maintained Nuclei template exists for this CVE. You can scan for it directly:
nuclei -id cve-2025-64446 -u https://target- Template
- FortiWeb - Authentication Bypass
- Severity
- critical
- Impact
- Attackers can execute administrative commands remotely, potentially leading to full system compromise.
- Remediation
- Update to the latest FortiWeb version beyond 8.0.1.
Template by ProjectDiscovery nuclei-templates (DhiyaneshDk, watchTowr, rapid7), MIT licensed. View the full template. Scan only systems you are authorised to test.
Frequently Asked Questions
Is CVE-2025-64446 being exploited in your environment?
Detect and block the exploit chain at execution, on systems you cannot patch yet.