CVE-2025-53914

HIGH
2025-09-09 [email protected]
7.0
CVSS 4.0
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CVSS Vector

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

Tags

Broadcom Privilege Escalation

Description

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.

Analysis

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 Context

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 Products

See vendor advisory for affected versions.

Remediation

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.

Priority Score

35
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +35
POC: 0

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CVE-2025-53914 vulnerability details – vuln.today
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