Detections
Analytics

Fortinet Fortigate SSL-VPN Symlink Persistence Patch Bypass (FG-IR-25-934)

medium Nessus Plugin ID 298526

Synopsis

Fortinet Firewall is missing one or more security-related updates.

Description

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-25-934 advisory.

 - 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. (CVE-2025-68686)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

For 6.4.x / 7.0.x / 7.2.x, see vendor advisory. For 7.4.x, upgrade to Fortigate version 7.4.7 or later. For 7.6.x, upgrade to Fortigate version 7.6.2 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-25-934

http://www.nessus.org/u?3c4a57db

Plugin Details

Severity: Medium

ID: 298526

File Name: fortigate_FG-IR-25-934.nasl

Version: 1.1

Type: local

Family: Firewalls

Published: 2/10/2026

Updated: 2/10/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2025-68686

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

Required KB Items: Host/Fortigate/model, Host/Fortigate/version

Exploit Ease: No known exploits are available

Patch Publication Date: 2/10/2026

Vulnerability Publication Date: 2/10/2026

Reference Information

CVE: CVE-2025-68686