Name: CVE-2025-43892: Buffer Over-read
Creator: Rapid7
Published: 2026-07-14T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-43892, CWE-126, CVSS 4.1, EPSS 0.00381

A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow an authenticated remote attacker to return a portion of device memory in the redirect response via submitting a specially crafted request.

CVSS Details

CVSS 3.1 Base Score: 4.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Fortinet Fortiproxy	—	Upgrade FortiProxy to 7.4.14Upgrade FortiProxy to 7.6.6Upgrade to the latest version of FortiProxy	Sep 30, 2026	Jul 14, 2026
Fortios	—	Upgrade FortiOS to 7.4.9Upgrade to the latest version of FortiOSUpgrade FortiOS to 7.6.4	Jul 20, 2026	Jul 14, 2026

Prioritise with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence