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CVE-2025-1976: Broadcom Brocade Fabric OS Code Injection Vulnerability

criticalknown exploitedCVE-2025-1976
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Broadcomproduct: Brocade Fabric OSRemote code execution
What
The vulnerability allows a local user with administrative privileges to execute arbitrary code with full root privileges.
Who is affected
Local users with administrative access to Broadcom Brocade Fabric OS are affected.
Urgency
Immediate remediation is necessary due to active exploitation and critical severity.
Action
Apply the latest patches for Brocade Fabric OS.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-04-28
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-1976

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-1976coverage & exploitation statusNVD · CVE.org

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