CVE-2026-94587
Received Received - Intake

Brocade Fabric OS Buffer Overflow in WebTools

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: Brocade Communications Systems, LLC

Description
A buffer overflow vulnerability exists in the WebTools administrative interface handling configuration download or file transfer operations of Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An authenticated user with permissions to perform configuration downloads using remote server profiles can overflow stack buffers causing a crash of the weblinker daemon.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-08
Last Modified
2026-10-08
Generated
2026-10-08
AI Q&A
2026-10-08
EPSS Evaluated
N/A
NVD
CVE-2026-94587
EUVD
EUVD-2026-94732

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
Brocade Fabric OS 0
Brocade Fabric OS 10.0.0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a buffer overflow in Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. It occurs in the WebTools administrative interface during configuration download or file transfer operations. An authenticated user with specific permissions can exploit this to overflow stack buffers, causing the weblinker daemon to crash.

Detection Guidance

This vulnerability affects Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. Detection requires checking the OS version and monitoring for crashes in the weblinker daemon during configuration downloads or file transfers.

Impact Analysis

An attacker could exploit this to crash the weblinker daemon, potentially disrupting administrative operations and network management. This may lead to denial of service or unauthorized access if combined with other exploits.

Compliance Impact

The vulnerability is a buffer overflow in Brocade Fabric OS affecting configuration downloads. It requires authenticated access and could cause service disruption. No direct impact on GDPR or HIPAA compliance is specified in the provided context.

Mitigation Strategies

Upgrade Brocade Fabric OS to version 9.2.2d or later, or 10.0.0a2 or later if using version 10.0.0. This addresses the buffer overflow in the WebTools administrative interface handling configuration downloads.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-94587. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart