CVE-2025-53914 Details
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.
A vulnerability allowing excessive privileges has been identified in the Calix GigaCenter ONT models 844E, 844G, 844GE, 854GE, 812G, 813G, and 818G. This vulnerability arises from the router's firmware design, which permits unauthenticated root access through the UART debugging interface connected to the Broadcom SoC. The UART console lacks authentication, enabling an individual with physical access to the device to gain full control of the system.
The vulnerability has been patched in version R12.2.13.4, which is available to authorized users. Subscribers should contact their Broadband Service Provider to request the update.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 9, 2025CISA-ADP
Assessed Sep 10, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://fluidattacks.com/advisories/sheivi | [email protected] | AdvisoryExploitRemedy |
| https://revers3everything.com/calix-case-five-0-days-five-cves/ | [email protected] | |
| https://www.calix.com | [email protected] | Vendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-269 | Improper Privilege Management | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Calix GigaCenter ONT 844E | 844E |
CPE
Remediation
| |
| Calix GigaCenter ONT 844G | 844G |
CPE
Remediation
| |
| Calix GigaCenter ONT 844GE | 844GE |
CPE
Remediation
| |
| Calix GigaCenter ONT 854GE | 854GE |
CPE
Remediation
| |
| Calix GigaCenter ONT 812G | 812G |
CPE
Remediation
| |
| Calix GigaCenter ONT 813G | 813G |
CPE
Remediation
| |
| Calix GigaCenter ONT 818G | 818G |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Sep 12, 2025 | CVE Modified | [email protected] |
| Sep 9, 2025 | New CVE Received | [email protected] |