CVE-2026-0778 Enel X JuiceBox 40 Telnet Service Missing Authentication Remote Code Execution Vulnerability
Network-adjacent attackers can execute arbitrary code on Enel X JuiceBox 40 charging stations via the unauthenticated Telnet service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0778?
CVE-2026-0778 is a high-severity missing authorization vulnerability in Enel X JuiceBox 40, published on 23 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-0778?
How do I fix CVE-2026-0778?
No fix has been published for CVE-2026-0778 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-0778 being exploited?
There is no known exploitation of CVE-2026-0778 in the wild and no public exploit code.
Sources
Also known as GHSA-w47c-mgm4-6rq8.