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Broadcom CVE-2025-53914

HIGH
Improper Privilege Management (CWE-269)
2025-09-09 help@fluidattacks.com
Privilege Escalation Broadcom
7.0
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/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
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:11 vuln.today
CVE Published
Sep 09, 2025 - 20:15 nvd
HIGH 7.0

DescriptionNVD

Excessive Privileges vulnerability in Calix GigaCenter ONT (Broadcom SoC modules) allows Privilege Abuse.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE, 812G, 813G, 818G.

AnalysisAI

Excessive Privileges vulnerability in Calix GigaCenter ONT (Broadcom SoC modules) allows Privilege Abuse. Rated high severity (CVSS 7.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. Excessive Privileges vulnerability in Calix GigaCenter ONT (Broadcom SoC modules) allows Privilege Abuse.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply principle of least privilege, validate privilege transitions, implement proper role separation.

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CVE-2025-53914 vulnerability details – vuln.today
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