CVE-2025-64123: Nuvation Energy Multi-Stack Controller (MSC) · Unintended Proxy or Intermediary
Affects Nuvation Energy Multi-Stack Controller (MSC)Source CVE Database V5
Not known to be exploited · CVSS 7.9 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/S:PExploitation evidence
Disclosed: evidence found.
CVE published 2 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Nuvation EnergyMulti-Stack Controller (MSC) | Affected
| Fixed in– |
AI-suggested
- Monitor Nuvation Energy communications for official patches or firmware updates addressing CVE-2025-64123 and apply them immediately upon release.
- Implement strict network segmentation and access controls to limit MSC device communication strictly to necessary endpoints, minimizing the risk of unintended proxying.
- Deploy network intrusion detection systems (NIDS) and anomaly detection tools focused on identifying unusual proxy or intermediary traffic patterns originating from MSC devices.
- Conduct thorough network architecture reviews to ensure MSC devices are not positioned in ways that could facilitate unauthorized bridging between critical network segments.
- Enforce robust logging and continuous monitoring on MSC devices and surrounding infrastructure to detect suspicious activities early.
- Engage with Nuvation Energy support for guidance on interim mitigations or configuration changes that reduce the risk until patches are available.
- Train operational technology and security teams on the specifics of this vulnerability to enhance incident response readiness.
- Consider deploying network micro-segmentation and zero-trust principles around critical OT assets to limit lateral movement opportunities.
Description
Unintended Proxy or Intermediary vulnerability in Nuvation Energy Multi-Stack Controller (MSC) allows Network Boundary Bridging.This issue affects Multi-Stack Controller (MSC): through and including release 2.5.1.