CVE-2025-1976
Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6
Broadcom Brocade Fabric OS Code Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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.
CISA notes
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25602 ; https://nvd.nist.gov/vuln/detail/CVE-2025-1976
Description
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.
Severity
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation Context
as of October 17, 2026- CISA added CVE-2025-1976 to the KEV catalog 4 days after its CVE record was published. The median for entries added in 2025 is 26 days.
- Its current EPSS score (0.7%) is higher than that of 2% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Brocade | Brocade Fabric OS | Fabric OS versions 9.1.0 through 9.1.1d6 |
References
1 LinksRecord Details
Related
Tool categories
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.