A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands in the context of the WAD daemon via crafted sockets, only if the explicit proxy is configured with Kerberos authentication and SOCKS enabled.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Fortinet
  • Fortios
  • Fortipam
  • Fortiproxy

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Fortinet
  • Fortios
  • Fortipam
  • Fortiproxy
References
Link Providers
https://fortiguard.fortinet.com/psirt/FG-IR-26-161 cve-icon cve-icon
History

Thu, 13 Aug 2026 01:00:00 +0000

Type Values Removed Values Added
Title Unauthenticated Stack Buffer Overflow in FortiOS WAD Daemon with Kerberos Proxy

Wed, 12 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 12 Aug 2026 12:30:00 +0000

Type Values Removed Values Added
Description A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands in the context of the WAD daemon via crafted sockets, only if the explicit proxy is configured with Kerberos authentication and SOCKS enabled.
First Time appeared Fortinet
Fortinet fortios
Fortinet fortipam
Fortinet fortiproxy
Weaknesses CWE-121
CPEs cpe:2.3:a:fortinet:fortiproxy:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.10:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.11:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.12:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.13:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.14:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.15:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.16:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.17:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.18:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.19:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.20:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.21:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.22:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.23:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.7:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.8:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.0.9:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.10:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.11:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.12:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.13:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.14:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.15:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.16:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.7:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.8:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.9:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.10:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.11:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.7:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.8:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.4.9:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.6.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.6.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.6.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.6.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.5:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.6:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.0.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.0.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.0.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.0.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.1.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.1.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.1.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.2.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.3.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.3.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.4.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.4.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.4.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.4.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.5.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.5.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.6.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.6.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.6.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.7.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.7.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.7.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.8.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.8.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.8.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.8.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.8.4:*:*:*:*:*:*:*
Vendors & Products Fortinet
Fortinet fortios
Fortinet fortipam
Fortinet fortiproxy
References
Metrics cvssV3_1

{'score': 5.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C'}
cve-icon MITRE

Status: PUBLISHED

Assigner: fortinet

Published:

Updated: 2026-08-13T03:55:40.765Z

Reserved: 2026-08-06T12:21:12.061Z

Link: CVE-2026-71407

cve-icon Vulnrichment

Updated: 2026-08-12T14:17:24.321Z

cve-icon NVD

Status : Received

Published: 2026-08-12T13:17:25.497

Modified: 2026-08-13T05:17:26.383

Link: CVE-2026-71407

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T00:45:02Z