AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2016-6909

CRITICAL · CVSS 9.8 EPSS 49.86% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2016-08-24 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Fortinet, FortiOS. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 49.9% probability of exploitation in the next 30 days. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2016-6909
Severity
CRITICAL
CVSS
9.8
EPSS
49.86%
Fortinet FortiOS

Original NVD 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.