Description
A stack-based buffer overflow vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.7 may allow an unauthenticated attacker with wad port access to crash proxy or ZTNA sessions via crafted HTTP or HTTPS requests.
Published: 2026-11-11
Score: 7.1 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

Vendor Solution

Upgrade to FortiOS version 8.0.1 or above Upgrade to FortiOS version 7.6.8 or above

Tracking

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Advisories

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History

Wed, 11 Nov 2026 21:45:00 +0000

Type Values Removed Values Added
Description A stack-based buffer overflow vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.7 may allow an unauthenticated attacker with wad port access to crash proxy or ZTNA sessions via crafted HTTP or HTTPS requests.
First Time appeared Fortinet
Fortinet fortios
Weaknesses CWE-121
CPEs cpe:2.3:o:fortinet:fortios:7.6.7:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:8.0.0:*:*:*:*:*:*:*
Vendors & Products Fortinet
Fortinet fortios
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C'}

Subscriptions

Fortinet Fortios
cve-icon MITRE

Status: PUBLISHED

Assigner: fortinet

Published:

Updated: 2026-11-11T21:31:50.602Z

Reserved: 2026-11-10T20:10:09.146Z

Link: CVE-2026-126258

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-121

    Stack-based Buffer Overflow