VDB-339449 · CVE-2025-64119 · EUVD-2025-206227

Nuvation Energy Battery Management System up to 2.3.9 client-side authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Nuvation Energy Battery Management System up to 2.3.9. It has been classified as very critical. Affected by this vulnerability is an unknown functionality. The manipulation leads to use of client-side authentication. This vulnerability is traded as CVE-2025-64119. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Nuvation Energy Battery Management System up to 2.3.9 and classified as very critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a use of client-side authentication vulnerability. Using CWE to declare the problem leads to CWE-603. A client/server product performs authentication within client code but not in server code, allowing server-side authentication to be bypassed via a modified client that omits the authentication check. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in Nuvation Battery Management System allows Authentication Bypass.This issue affects Battery Management System: through 2.3.9.

The weakness was shared by Reid Wightman. The advisory is shared at dragos.com. The identification of this vulnerability is CVE-2025-64119 since 10/27/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/04/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-206227). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Nuvation Energy

Name

Battery Management System

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use of client-side authentication
CWE: CWE-603 / CWE-602
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/27/2025 CVE reserved
01/02/2026 +67 days Advisory disclosed
01/02/2026 +0 days VulDB entry created
01/04/2026 +2 days VulDB entry last update

Sourcesinfo

Advisory: dragos.com
Researcher: Reid Wightman
Status: Not defined

CVE: CVE-2025-64119 (🔒)
GCVE (CVE): GCVE-0-2025-64119
GCVE (VulDB): GCVE-100-339449
EUVD: 🔒

Entryinfo

Created: 01/02/2026 23:18
Updated: 01/04/2026 01:56
Changes: 01/02/2026 23:18 (66), 01/03/2026 08:01 (1), 01/04/2026 01:56 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.