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CVE-2026-87671 Details

Description

An out-of-bounds memory read vulnerability exists in the web management daemon of Brocade Fabric OS versions before 10.0.1. Unauthenticated HTTP endpoints process specific URL query parameters without validating array index boundaries or performing numerical range checks. An unauthenticated remote attacker can exploit this issue by sending a single, crafted HTTP request containing extreme numerical values in the query string. This causes an invalid memory dereference, resulting in a crash of the web management process (Denial of Service) and potential temporary management-plane disruption.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://support.broadcom.com/external/content/SecurityAdvisories/0/39141	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	CISA-ADP

Affected Products

Product	Versions
broadcom fabric operating system	< 10.0.1
CPE cpe:2.3:o:broadcom:fabric_operating_system:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 13, 2026	Initial Analysis	[email protected]
Oct 8, 2026	CVE Modified	CISA-ADP
Oct 8, 2026	New CVE Received	[email protected]