CVE-2025-1976

KEVBroadcom Brocade Fabric OS Code Injection Vulnerability

Description

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.

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.

CVSS 4.0 vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

PublishedApr 24, 2025

Last modifiedJun 17, 2026

Added to KEVApr 28, 2025

Remediation dueMay 19, 2025

References

support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25602Vendor Advisory
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-1976US Government Resource

0 recent articles mention this CVE

Risk assessment · High

Actively exploited. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 526 days
CVSS: 8.6 HIGH
EPSS (30-day exploit probability): 0.69% · top 47% of all CVEs
Weakness: CWE-94

Recommended actions

1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.