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CVE-2025-53914— Calix GigaCenter ONT (Broadcom SoC) - Excessive Privileges

Quick assessment

Affected
Calix GigaCenter ONT
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Calix GigaCenter ONT Series是美国Calix公司的一系列光网络终端。 Calix GigaCenter ONT Series存在安全漏洞，该漏洞源于普通用户可滥用高权限。以下产品及版本受到影响：GigaCenter ONT 844E、844G、844GE、854GE、812G、813G和818G版本。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2025-53914

Vulnerability Information
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Vulnerability Title
Calix GigaCenter ONT (Broadcom SoC) - Excessive Privileges
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Calix GigaCenter ONT Series 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Calix GigaCenter ONT Series是美国Calix公司的一系列光网络终端。 Calix GigaCenter ONT Series存在安全漏洞，该漏洞源于普通用户可滥用高权限。以下产品及版本受到影响：GigaCenter ONT 844E、844G、844GE、854GE、812G、813G和818G版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Calix GigaCenter ONT 844E -

II. Public POCs for CVE-2025-53914

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III. Intelligence Information for CVE-2025-53914

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Vendor Advisories for CVE-2025-53914 (1)

Same Patch Batch · Calix · 2025-09-09 · 5 CVEs total

CVE-2025-7635 Calix GigaCenter ONT - Unauthenticated Telnet
CVE-2025-54083 Calix GigaCenter ONT firmware - Sensitive Information Disclosure
CVE-2025-54084 Calix Gigacenter ONT - Command Injection
CVE-2025-53913 Calix GigaCenter ONT (Quantenna SoC) - Excessive Privileges

IV. Related Vulnerabilities

Same product: GigaCenter ONT
Same vendor: Calix
Same weakness: CWE-269

V. Comments for CVE-2025-53914

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