Fortinet · FortiOS
CVE-2025-68686
Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
What it is
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow a remote unauthenticated attacker to bypass the patch developed for the symbolic link persistency mechanism observed in some post-exploit cases, via crafted HTTP requests. An attacker would need first to have compromised the product via another vulnerability, at filesystem level.
CISA: Fortinet FortiOS contains an exposure of sensitive information to an unauthorized actor vulnerability. This may allow a remote unauthenticated attacker to bypass the patch developed for the symbolic link persistency mechanism observed in some post-exploit cases, via crafted HTTP requests. An attacker would need first to have compromised the product via another vulnerability, at filesystem level.
What to do
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). 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.
Deadline for US federal agencies: August 10, 2026
- Added to the CISA list
- July 27, 2026
- Published
- February 10, 2026
- Severity
- Medium 5.3 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 29% in the top 1.8% of all known vulnerabilities
- Weakness
- CWE-200
- More details
- NVD · CVE.org · CISA
All references (1)
More exploited flaws from Fortinet
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Jun 25, 2025 | Use of Hard-Coded Credentials | FortiOS | Medium 6.5 | 6.6% |
| Feb 9, 2024 | Out-of-Bound Write | FortiOS | Critical 9.6 | 85% |
| Mar 14, 2023 | Path Traversal | FortiOS | Medium 6.5 | 11% |
| Dec 13, 2022 | Heap-Based Buffer Overflow | FortiOS | Critical 9.3 | 99.5% |
| Dec 10, 2021 | Arbitrary File Download | FortiOS | Low 3.3 | 0.9% |
| Nov 3, 2021 | Default Configuration | FortiOS | Medium 6.5 | 19% |
| Nov 3, 2021 | SSL VPN Path Traversal | FortiOS | Critical 9.1 | >99.9% |
| Nov 3, 2021 | SSL VPN Improper Authentication | FortiOS | High 7.5 | 45% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.