High severity · published Jan 23, 2026
CVE-2026-0778
Enel X JuiceBox 40 Telnet Service Missing Authentication Remote Code Execution Vulnerability
8.8
CVSS
0.8%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
J4
JuiceBox 40 · Enel X
4.2.7 · source: vendor