Broadcom Brocade Fabric OS Code Injection Vulnerability

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• cpe broadcom/fabric operating systemversion unspecified
• vendor Broadcom Brocade Fabric OSversion unspecified
• vendor Brocade Fabric OS Fabric OS versions 9.1.0 through 9.1.1d6Fabric OS versions 9.1.0 through 9.1.1d6

How to fix CVE-2025-1976

• Recommended remediation

  Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA due date May 19, 2025.

• Official advisories

  • CISA KEV · cisa.gov
  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • EUVD · euvd.enisa.europa.eu
  • NIST NVD · nvd.nist.gov
  • VulnCheck KEV · vulncheck.com

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 23, 2025 · Catalog

   Detected

   Brocade Fabric OS versions starting with 9.1.0 have root access removed, however, a local user with admin privilege can potentially execute arbitrary code with full root privileges on Fabric OS versions 9.1.0 through 9.1.1d6.

2. Apr 28, 2025 · CISA KEV

   Known exploited

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

3. May 19, 2025 · CISA KEV

   Remediation due

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

4. Jun 17, 2026 · Catalog

   Updated

   Brocade Fabric OS versions starting with 9.1.0 have root access removed, however, a local user with admin privilege can potentially execute arbitrary code with full root privileges on Fabric OS versions 9.1.0 through 9.1.1d6.

Sources

• CISA KEVConfirmed exploitationCVE-2025-1976

  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.gov
• CVE.orgVulnerability recordCVE-2025-1976

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2025-1976

  30-day exploitation probability 69.0%

  first.org
• EUVDVulnerability recordEUVD-2025-12147

  Brocade Fabric OS versions starting with 9.1.0 have root access removed, however, a local user with admin privilege can potentially execute arbitrary code with full root privileges on Fabric OS versions 9.1.0 through 9.1.1d6.

  euvd.enisa.europa.eu
• NIST NVDVulnerability recordCVE-2025-1976

  Brocade Fabric OS versions starting with 9.1.0 have root access removed, however, a local user with admin privilege can potentially execute arbitrary code with full root privileges on Fabric OS versions 9.1.0 through 9.1.1d6.

  nvd.nist.gov
• VulnCheck KEVConfirmed exploitationCVE-2025-1976

  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.

  vulncheck.com

References

• EUVD record · euvd.enisa.europa.eu
• CISA note · nvd.nist.gov
• CISA note · support.broadcom.com
• US Government Resource · cisa.gov
• VulnCheck exploitation evidence · cisa.gov
• VulnCheck exploitation evidence · loginsoft.com

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.