Fortinet · Path traversal
Fortinet FortiWeb Path Traversal Vulnerability
At a glance
Actively exploited in the wild — prioritise confirming exposure.
Medium rather than High: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on Fortinet FortiWeb, treat it as High.
Briefing
- Do not treat uncorroborated claims as confirmed breaches.
Questions to ask IT
- Do we run Fortinet FortiWeb, and which versions?
- Is any of it reachable from the internet?
- Have we checked whether it has already been used against us?
- If it is not yet patched, what mitigation is in place, and will the fix be done by 11 Nov?
Next steps
- Confirm exposure, mitigation status and any service interruption risk.
Vulnerability facts
Full CVE detail CVE-2025-64446- 9.8 · CriticalExploitable over the network without any account, and no one has to click or open anything. High impact on confidentiality, integrity and availability.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Listed: attacks using it have been seen (on the catalogue since )
- Elevated attack likelihood (~91.1% in 30 days)
- 8.0.1 and earlier, 7.6.4 and earlier, 7.4.9 and earlier, 7.2.11 and earlier, 7.0.11 and earlier
No technical write-up beyond these facts and the summary below yet.
Next steps
- Confirm whether affected products/versions are present and prioritise patching or mitigations
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.
- CVE-2025-64446 is listed in known-exploited catalogue (exploitation in the wild)
- Authoritative catalogues report active exploitation of this vulnerability.
Why this matters in the UK
- Known-exploited catalogue reports exploitation in the wild
Products and services involved
- Fortinet FortiWeb98% match confidence · CVE-2025-64446
Pulse
Last checked 4d ago · Recheck overdue since 5 Nov 2026, 22:38 UK time · 3 quiet checks collapsed
in the next 30 days first recorded at 91.1% (elevated likelihood signal, not confirmed exploitation). Suggested changed to 7d.
Elevated — confirm exposure; this is a probability signal, not confirmed exploitation.
2 quiet checks hidden.
Sources
Fortinet FortiWeb Path Traversal Vulnerability
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ConfirmedHeadline90% confidence
Fortinet FortiWeb Path Traversal Vulnerability
- ConfirmedSummary fact75% confidence
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. Affects Fortinet FortiWeb. Known ransomware campaign use: 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.
- ConfirmedCVE identifier95% confidence
Event involves CVE-2025-64446
- ConfirmedKnown-exploited catalogue98% confidence
CVE-2025-64446 is listed in known-exploited catalogue (exploitation in the wild)

