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CVE-2025-58382: Broadcom Fabric Operating System Security Vulnerability (CVSS 8.5)

CVE-2025-58382 is a high severity security vulnerability in Broadcom Fabric Operating System with a CVSS score of 8.5. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Last updated: Jun 17, 2026

Quick answer

Direct answer

CVE-2025-58382 is a high severity security vulnerability in Broadcom Fabric Operating System with a CVSS score of 8.5. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Risk scores

CVSS base score
8.5HIGH
EPSS probability
0.65%
Higher than 50 percent of all CVEs
CISA KEV
Not listed
CVSS metricWhat it means
Attack vector (AV:A)Adjacent network
Attack complexity (AC:L)Low complexity
Attack requirements (AT:N)No attack requirements
Privileges required (PR:H)High privileges required
User interaction (UI:N)No user interaction
Confidentiality (VC:H)High confidentiality impact
Integrity (VI:H)High integrity impact
Availability (VA:H)High availability impact

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/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

About Broadcom Fabric Operating System

CVE-2025-58382 affects Broadcom Fabric Operating System, a product from Broadcom. Before acting, confirm where Broadcom Fabric Operating System runs in your estate, who owns it and whether it is reachable from the internet, because exposure decides real risk more than the score alone.

What the flaw is

In plain terms: A vulnerability in the secure configuration of authentication and management services in Brocade Fabric OS before Fabric OS 9.2.1c2 could allow an authenticated, remote attacker with administrative credentials to execute arbitrary commands as root using “supportsave”, “seccertmgmt”, “configupload” command.

Based on its CVSS vector, the flaw needs local or adjacent access, needs some level of access, and needs no user interaction. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Affected versions and timeline

FieldDetail
ProductBroadcom Fabric Operating System
Affected versionsFabric Operating System before 9.2.1c2; Fabric Operating System from 9.2.2 before 9.2.2b
PublishedFeb 3, 2026
Last modifiedJun 17, 2026
Added to CISA KEVNot listed
Assigning CNAsirt@brocade.com

How to detect it

  • Inventory every instance of Broadcom Fabric Operating System and record the running version against the affected range above.
  • Check external attack surface scans for internet facing instances of the component.
  • Review logs on affected systems for unusual requests, errors or new processes around the vulnerable function.
  • Confirm with an authenticated vulnerability scan once your scanner has a check for this CVE.

How to fix it

  • Apply the fixed version of Broadcom Fabric Operating System named in the vendor advisory.
  • If patching must wait, restrict network access to the affected service and put it behind authentication or a web application firewall rule.
  • Rescan after the change to prove the exposure is gone, then close the ticket.

CTEM action plan

CTEM stageWhat to do for this CVE
ScopeAdd every business service that depends on Broadcom Fabric Operating System to the current CTEM cycle.
DiscoverFind all instances, including shadow and cloud deployments, and record versions and exposure.
PrioritizeRank using EPSS and CVSS together with asset exposure and business impact.
ValidateConfirm the flaw is reachable and exploitable in your environment and that compensating controls work.
MobilizeAssign the fix to the asset owner with a due date matched to the priority, then verify closure.

CWE References

Technical References

Frequently asked questions

CVE-2025-58382 is a high severity security vulnerability in Broadcom Fabric Operating System with a CVSS score of 8.5. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

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