Detections
Analytics

Fortinet FortiAnalyzer Uncontrolled Resource Consumption in SNMP (FG-IR-26-172)

medium Nessus Plugin ID 349790

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Synopsis

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

Description

The version of FortiAnalyzer installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-26-172 advisory.

 - A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via <insert attack vector here> (CVE-2026-84391)

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

Solution

For 7.6.x, upgrade to FortiAnalyzer version 7.6.7 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-26-172

Plugin Details

Severity: Medium

ID: 349790

File Name: fortianalyzer_FG-IR-26-172.nasl

Version: 1.1

Type: Local

Family: Firewalls

Published: 9/24/2026

Updated: 9/24/2026

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.61

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-84391

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/a:fortinet:fortianalyzer

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/8/2026

Vulnerability Publication Date: 9/8/2026

Reference Information

CVE: CVE-2026-84391