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CVE-2025-63409

HIGH CVSS 3.1: 8.8 EPSS 0.13%
Updated Feb 25, 2026
Privilege
Parameter Value
CVSS 8.8 (HIGH)
Type CWE-284 (Improper Access Control)
Vendor Privilege
Public PoC No

Privilege escalation and improper access control in GCOM EPON 1GE C00R371V00B01 allows remote authenticated users to modify administrator only settings and extract administrator credentials.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1