CVE-2025-64125
CWE-441Published: January 3, 2026· Updated: Jun 17, 2026
Official Description
A vulnerability in Nuvation Energy nCloud VPN Service allowed Network Boundary Bridging.This issue affected the nCloud VPN Service and was fixed on 2025-12-1 (December, 2025). End users do not have to take any action to mitigate the issue.
Risk Analysis
A critical vulnerability in the Nuvation Energy nCloud VPN Service allows for network boundary bridging. Given the high CVSS score of 9.4, this flaw poses a significant risk to network segmentation, though no active exploitation has been confirmed.
There is no known public exploit for this vulnerability, and it is not listed in the CISA KEV catalog.
The issue was addressed by the vendor in December 2025; no action is required from end users.
Technical Analysis
CVE-2025-64125 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (1)
Quick Facts
Related CVEs (CWE-441)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-64125 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts