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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-68686

Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability

KEVMEDIUM 5.9EPSS 29.5%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 10 August 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

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.

CVSS 3.1
5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
29.50% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 27 July 2026 · due 10 August 2026
Weakness
CWE-200
Affected
fortinet/fortios
Source
psirt@fortinet.com
EPSS trend
0%15%30%30 October 2026: 29.50%30 October 202630 October 2026

EPSS 29.5% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

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. https://fortiguard.fortinet.com/psirt/FG-IR-25-934 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2025-68686

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.