Advisory

CVE-2025-61624: Fortinet Multiple Products Path Traversal Vulnerability — what to do now

CVE-2025-61624 affects Fortinet Multiple Products and is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog — it is being exploited in the wild, rated MEDIUM (CVSS 6). Here is what it is, who is affected, and the response. No exploit details.

TL;DR: CVE-2025-61624 is a known-exploited vulnerability in Fortinet Multiple Products. Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk guidance and CISA’s “Forensics Triage Requirements”. Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Then confirm no exposed, unpatched instance remains on your perimeter.

What CVE-2025-61624 is

According to the public vulnerability record, An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') [CWE-22] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiPAM 1.7.0, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4.0 through 7.4.11, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions, FortiSwitchManager 7.2.0 through 7.2.7, FortiSwitchManager 7.0.0 through 7.0.6 may allow an authenticated attacker…

CISA summarises it as: FortiOS, FortiPAM, FortiProxy, and FortiSwitchManager contain a path traversal vulnerability that may allow an authenticated attacker with admin profile and at least read-write permissions to write or delete arbitrary files via specific CLI commands.

Affected product & severity

CVE-2025-61624 affects Fortinet Multiple Products. Confirm exact affected and fixed versions against the vendor's advisory.

PropertyDetail
CVECVE-2025-61624
VendorFortinet
ProductMultiple Products
CVSS6 (MEDIUM)
VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
WeaknessCWE-22
Added to CISA KEV2026-10-16

Why it is urgent

This CVE is in the CISA Known Exploited Vulnerabilities (KEV) catalog (added 2026-10-16) — a list of flaws with confirmed exploitation in the wild. US federal agencies are required to remediate KEV entries on a deadline; for everyone else it is a strong signal to prioritise this now rather than wait. There is no proof-of-concept or exploit detail in this advisory by design.

What to do now

  1. Follow CISA's required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk guidance and CISA’s “Forensics Triage Requirements”. Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
  2. Apply the vendor's patch or mitigation for Fortinet Multiple Products on every affected instance, per the official advisory linked below.
  3. Inventory every instance — production, staging, legacy and third-party appliances that bundle it. You cannot patch what you have forgotten you run.
  4. Verify the version actually deployed, not the one you think you run; the risk is the build actually serving traffic.
  5. Check for internet exposure. A known-exploited flaw on a reachable instance is an active risk — confirm none is exposed that should not be.

How to confirm your exposure

The hard part of a known-exploited CVE is rarely the patch — it is knowing where a reachable, unpatched instance still exists: a forgotten host, a staging box that drifted public, a third-party appliance. AssurePort's network and host penetration testing discovers exposed services, fingerprints their versions, and correlates them against known-exploited vulnerabilities — so a newly-weaponised CVE is checked against your real external footprint, including the hosts you don't have on a list. That is the window continuous testing is built to close.

Sources & further reading: NVD CVE-2025-61624 and the CISA KEV catalog are the authority on affected and fixed versions. Vendor/independent analysis: fortiguard.fortinet.com, cert-portal.siemens.com, unit42.paloaltonetworks.com, cisa.gov. This advisory contains no exploit code.

Frequently asked questions

What is CVE-2025-61624?

CVE-2025-61624 is a vulnerability in Fortinet Multiple Products, rated MEDIUM (CVSS 6), listed in the CISA Known Exploited Vulnerabilities catalog.

Is CVE-2025-61624 being exploited?

Yes — it is in the CISA KEV catalog (added 2026-10-16), which lists vulnerabilities with confirmed in-the-wild exploitation. Treat it as an active, prioritise-now risk.

Which products are affected?

Fortinet Multiple Products. Confirm the exact affected and fixed versions against the vendor's official security advisory before acting.

What should I do right now?

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk guidance and CISA’s “Forensics Triage Requirements”. Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Then inventory every instance, verify the version actually deployed, and confirm none is exposed and unpatched on your perimeter.