---
id: "CVE-2025-1976"
kind: "vulnerability"
aliases: ["CVE-2025-1976"]
title: "broadcom fabric operating system: Brocade Fabric OS versions starting with 9.1.0 have root access removed, however, a local user with admin privilege\u2026"
severity: "high"
cvss: 8.6
epss: null
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "Broadcom Brocade Fabric OS", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "broadcom fabric operating system", "fixed": ["9.1.1d7"], "affected": ">= 9.1.0, < 9.1.1d7", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["brocade", "exploited", "fabric-os", "infrastructure", "san-switches", "storage-networking"]
not_affected_if: ["no-brocade-fabric-os"]
published_at: "2025-04-24T03:15:14+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-23T22:29:05+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-1976", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-1976", "first_seen_at": "2026-10-23T22:29:05+00:00"}]
---

# broadcom fabric operating system: Brocade Fabric OS versions starting with 9.1.0 have root access removed, however, a local user with admin privilege…

Broadcom Brocade Fabric OS, the operating system on Brocade SAN switches and directors, has a code injection flaw. A local user with admin rights can run arbitrary code as root.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Broadcom Brocade Fabric OS affected ? fixed ?
- vendor:broadcom fabric operating system affected >= 9.1.0, < 9.1.1d7 fixed 9.1.1d7

## Fix

Apply the mitigations in the vendor advisory per CISA KEV guidance; if none are available, discontinue use of the affected product. Exact fixed versions: unknown.

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-1976
- 2026-10-23T22:29:05+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2025-1976

## From the sources

Broadcom Brocade Fabric OS contains a code injection vulnerability that allows a local user with administrative privileges to execute arbitrary code with full root privileges.

CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_