CVE-2025-63409 Details
Description
Privilege escalation and improper access control in GCOM EPON 1GE C00R371V00B01 allows remote authenticated users to modify administrator only settings and extract administrator credentials.
A privilege escalation vulnerability has been identified in GCOM EPON 1GE, version C00R371V00B01. This issue arises from improper access control, which enables remote authenticated users to alter settings reserved for administrators through the web interface and API. Furthermore, the device's backup feature inadvertently reveals an unencrypted configuration file containing sensitive information, including administrator passwords. By exploiting these weaknesses, a low-privileged user can gain full administrative rights on the device.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Feb 25, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/theShinigami/CVE-Disclosures/tree/main/CVE-2025-63409 | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-284 | Improper Access Control | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| gcomtw gcom epon 1ge firmware | c00r371v00b01 |
CPE
Remediation
| |
| gcomtw gcom epon 1ge | All versions |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 5, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Feb 26, 2026 | Initial Analysis | [email protected] |
| Feb 25, 2026 | CVE Modified | CISA-ADP |
| Feb 24, 2026 | New CVE Received | [email protected] |