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Vulnerabilities

Vulnerability · CVE-2025-64121

Authentication Bypass Using an Alternate Path or Channel vulnerability in Nuvation Energy Multi-Stack Controller (MSC) allows Authentication Bypass.This issue affects Multi-Stack C

Published Jan 2, 2026 · catalog updated Jan 5, 2026 · Nuvation Energy Multi-Stack Controller (MSC)

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-64121. EPSS is 0.40%. Act only if a listed version of Nuvation Energy Multi-Stack Controller (MSC) is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical10.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.40%
Remediation
Version ranges on file
Affected products
vendor Nuvation Energy Multi-Stack Controller (MSC) 2.3.8 <2.5.1

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Nuvation Energy Multi-Stack Controller (MSC) 2.3.8 <2.5.12.3.8 <2.5.1

How to fix CVE-2025-64121

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-64121. EPSS is 0.40%. Act only if a listed version of Nuvation Energy Multi-Stack Controller (MSC) is installed.

Which versions are affected?

Compare what you have installed with Nuvation Energy Multi-Stack Controller (MSC) 2.3.8 <2.5.1 2.3.8 <2.5.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.40%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 2, 2026 · EUVD

    Detected

    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.

  2. Jan 5, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-64121

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-64121

    30-day exploitation probability 0.40%

    first.org
  • EUVDVulnerability recordEUVD-2025-206225

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 31, 2026
  • EUVDOct 31, 2026