Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2016-6909 Details

Description

Buffer overflow in the Cookie parser in Fortinet FortiOS 4.x before 4.1.11, 4.2.x before 4.2.13, and 4.3.x before 4.3.9 and FortiSwitch before 3.4.3 allows remote attackers to execute arbitrary code via a crafted HTTP request, aka EGREGIOUSBLUNDER.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://fortiguard.com/advisory/FG-IR-16-023	CVE	Vendor Advisory
http://packetstormsecurity.com/files/138387/EGREGIOUSBLUNDER-Fortigate-Remote-Code-Execution.html	CVE	ExploitThird Party AdvisoryVDB Entry
https://musalbas.com/2016/08/16/equation-group-firewall-operations-catalogue.html	CVE	Third Party Advisory
https://www.exploit-db.com/exploits/40276/	CVE	ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/92523	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036643	CVE	Third Party AdvisoryVDB Entry
http://fortiguard.com/advisory/FG-IR-16-023	[email protected]	Vendor Advisory
http://packetstormsecurity.com/files/138387/EGREGIOUSBLUNDER-Fortigate-Remote-Code-Execution.html	[email protected]	ExploitThird Party AdvisoryVDB Entry
https://musalbas.com/2016/08/16/equation-group-firewall-operations-catalogue.html	[email protected]	Third Party Advisory
https://www.exploit-db.com/exploits/40276/	[email protected]	ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/92523	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036643	[email protected]	Third Party AdvisoryVDB Entry

see all 12 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
fortinet fortios	>= 4.1.0, < 4.1.11 >= 4.2.0, < 4.2.13 >= 4.3.0, < 4.3.9
CPE cpe:2.3:o:fortinet:fortios:::::::: Remediation No remediation found in references.
fortinet fortiswitch	<= 3.4.2
CPE cpe:2.3:o:fortinet:fortiswitch:::::::: Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
May 22, 2019	Reanalysis	[email protected]
Aug 25, 2016	CVE Translated	[email protected]
Aug 24, 2016	Modified Analysis	[email protected]