CVE-2025-64121
CWE-288Published: January 2, 2026· Updated: Jun 17, 2026
Official Description
Authentication Bypass Using an Alternate Path or Channel vulnerability in Nuvation Energy Multi-Stack Controller (MSC) allows Authentication Bypass.This issue affects Multi-Stack Controller (MSC): from 2.3.8 before 2.5.1.
Risk Analysis
An authentication bypass vulnerability exists in the Nuvation Energy Multi-Stack Controller, allowing attackers to circumvent security controls. The critical CVSS score of 9.8 reflects the high potential for unauthorized access to the system.
There are no known public exploits, and the vulnerability is not tracked in the CISA KEV catalog.
Administrators should update the Multi-Stack Controller to version 2.5.1 or later.
Technical Analysis
CVE-2025-64121 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (1)
Quick Facts
Related CVEs (CWE-288)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-64121 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts