CVE-2025-64121

CRITICALNVD 9.89.8—Trending — 3 sources updated this week

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 24.8%
KEV: Not listed

Published

January 2, 2026

Last Modified

February 26, 2026

Advisory Details (1)

Auto-updated May 29, 2026

No patch confirmed yet.

generic

Nuvation Battery Storage Systems Vulnerabilities | Dragos

https://www.dragos.com/community/advisories/CVE-2025-64119

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-288Authentication Bypass Using an Alternate Path or Channel

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:13 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 16:44 UTCEG score recompute
2026-05-29 16:43 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-64121?

CVE-2025-64121 is a critical vulnerability published on January 2, 2026. 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.

When was CVE-2025-64121 disclosed?

CVE-2025-64121 was first published in the National Vulnerability Database on January 2, 2026, with the most recent update on February 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-64121 actively exploited?

CVE-2025-64121 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-64121?

CVE-2025-64121 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-64121?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-64121, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-64121

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Nuvation Battery Storage Systems Vulnerabilities | Dragos

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-64121?

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Advisory Details (1)

Frequently asked(5)

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