Exploited vulnerabilities / CVE-2025-68686
Confirmed exploited · exploited vulnerability · Fortinet FortiOSCVE-2025-68686
Fortinet FortiOS exploited vulnerability, confirmed exploited in the wild.
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.
| CISA's name for it | Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability |
|---|---|
| Vendor and product | Fortinet · FortiOS |
| Type | exploited vulnerability · CWE-200 |
| Exploited | Confirmed by CISA listed 27 July 2026 |
| Likelihood | one of the most likely to be exploited of every vulnerability tracked |
| Deadline | 10 August 2026 · already passed |
| Used in ransomware | Not reported |
| Advisories | fortiguard.fortinet.com ↗ · www.cisa.gov ↗ · www.cisa.gov ↗ · nvd.nist.gov ↗ |
Three steps, in this order
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited.
If you cannot patch now, restrict network access to the affected product.
Check for signs of compromise since the date it was added to the list.
| 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 (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. |
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Know before someone else finds it
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CVE-2025-68686 in short
Is CVE-2025-68686 being exploited?
Yes. CISA added CVE-2025-68686 to its Known Exploited Vulnerabilities catalogue on 27 July 2026, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2025-68686?
US federal agencies must remediate it by 10 August 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2025-68686 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 29%, the 98th percentile of every CVE it scores.
How do I fix CVE-2025-68686?
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited. If you cannot patch now, restrict network access to the affected product. Check for signs of compromise since the date it was added to the list.
Other Fortinet vulnerabilities being exploited
| CVE | Product | Type | Listed |
|---|---|---|---|
| CVE-2025-61624 | Multiple Products | path traversal | 16 October 2026 |
| CVE-2026-104286 | FortiMail | path traversal | 1 October 2026 |
| CVE-2025-25249 | Multiple Products | memory corruption | 9 September 2026 |
| CVE-2026-25089 | FortiSandbox | command injection | 16 July 2026 |
| CVE-2026-39808 | FortiSandbox | command injection | 16 July 2026 |
| CVE-2026-21643 | FortiClient EMS | SQL injection | 13 April 2026 |
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.