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CVE-2025-1976

62
FAUCET Score

CVE-2025-1976 is a critical vulnerability affecting Broadcom Brocade Fabric OS versions 9.1.0 through 9.1.1d6, allowing a local administrator to execute arbitrary code with full root privileges despite root access being removed in these versions. With a CVSS score of 6.7 (MEDIUM), this vulnerability has a high impact on confidentiality, integrity, and availability, requiring high privileges but low attack complexity. Notably, CISA has added this CVE to its Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild, although public exploit intelligence tools like Metasploit and ExploitDB do not yet list specific exploits. The vulnerability has garnered significant community discussion and media coverage, underscoring its importance.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.1.0, < 9.1.1d7CPE matchmatch criteria
cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.6HIGH

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

Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Apr 28, 2025
This CVE's current EPSS score of 0.0078 is in the 96th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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