Excessive Privileges Vulnerability in Calix GigaCenter ONT Products
CVE-2025-53913

7HIGH

Key Information:

Vendor

Calix

Status
Gigacenter Ont
Vendor
CVE Published:
9 September 2025

What is CVE-2025-53913?

The excessive privileges vulnerability in Calix GigaCenter ONT devices stems from insufficient access control measures, allowing unauthorized users to exploit privilege management features. This issue can lead to privilege abuse, enabling attackers to gain elevated access rights on affected devices. Compromised devices may result in unauthorized configurations and detrimental impacts on network performance. Affected models include GigaCenter ONT 844E, 844G, 844GE, 854GE, 812G, 813G, and 818G. It is crucial for users to implement security best practices and apply relevant patches to secure their systems.

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Affected Version(s)

GigaCenter ONT 844E

GigaCenter ONT 844G

GigaCenter ONT 844GE

References

https://fluidattacks.com/advisories/forty
third-party-advisory
https://www.calix.com
productrelated
https://revers3everything.com/calix-case-five-0-days-five...
third-party-advisory

CVSS V4

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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