What is the CVSS score of CVE-2026-0778?

CVE-2026-0778 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

How to fix or mitigate CVE-2026-0778?

Within 24 hours: Inventory all JuiceBox 40 devices and isolate them to restricted network segments if possible; disable Telnet service if operationally feasible. Within 7 days: Implement network segmentation, deploy monitoring for unauthorized access attempts, and establish communication with Enel X for patch availability and interim guidance. Within 30 days: Apply vendor patch immediately upon release; conduct forensic audit for signs of compromise; review and strengthen EV charging infrastructure access controls and segmentation.

CVE-2026-0778

HIGH

Missing Authentication for Critical Function (CWE-306)

2026-01-23 zdi-disclosures@trendmicro.com

RCE

8.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 23, 2026 - 04:16 nvd

HIGH 8.8

DescriptionCVE.org

Enel X JuiceBox 40 Telnet Service Missing Authentication Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Enel X JuiceBox 40 charging stations. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the telnet service, which listens on TCP port 2000 by default. The issue results from the lack of authentication prior to allowing remote connections. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-23285.

AnalysisAI

Unauthenticated remote code execution in Enel X JuiceBox 40 charging stations via an exposed Telnet service on TCP port 2000 allows network-adjacent attackers to execute arbitrary commands without credentials. The vulnerability affects all installations of the JuiceBox 40 and runs with service account privileges, enabling full system compromise. No patch is currently available.

Technical ContextAI

Classified as CWE-306 (Missing Authentication for Critical Function). Enel X JuiceBox 40 Telnet Service Missing Authentication Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Enel X JuiceBox 40 charging stations. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the telnet service, which listens on TCP port 2000 by default. The issue results from the lack of authentication prior to allowing remote connections. An attacker ca