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Vulnerability record · CVE-2026-0778 · published 23 January 2026

CVE-2026-0778: Missing authentication for critical function vulnerability

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.

8.8 CVSS 3.0 High EPSS 0.79% · top 45.6% CWE-306 · Missing authentication for critical function Deferred
8.8CVSS 3.0 base score
0.79%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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.

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

References

LinkTags
https://www.zerodayinitiative.com/advisories/ZDI-26-041/

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Source: NIST National Vulnerability Database (record CVE-2026-0778), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.