CVE-2026-0778: Enel X JuiceBox 40 · Missing Authentication
Affects Enel X JuiceBox 40Source CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 55% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 23 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Enel XJuiceBox 40 | Affected
| Fixed in– |
AI-suggested
To mitigate this vulnerability effectively, European organizations should implement the following specific measures: 1) Immediately isolate JuiceBox 40 devices running version 4.2.7 from untrusted networks, especially public internet access. 2) Restrict network access to TCP port 2000 using firewalls or network segmentation to allow only trusted management hosts. 3) Disable the Telnet service on the device if possible, or replace it with a secure management protocol that enforces authentication. 4) Monitor network traffic for unusual connections or commands targeting port 2000 on JuiceBox 40 devices. 6) Conduct regular vulnerability scans and penetration tests on EV charging infrastructure to detect similar issues. 7) Implement strong network access controls and logging to detect and respond to exploitation attempts promptly. 8) Educate operational technology (OT) and IT teams about the risks of exposed management interfaces and enforce strict access policies. These steps go beyond generic advice by focusing on network-level controls, service disabling, and proactive monitoring tailored to the specific vulnerability and device context.
Description
CVE-2026-0778 is a high-severity vulnerability in the Enel X JuiceBox 40 electric vehicle charging stations, specifically in the Telnet service running on TCP port 2000. The flaw is due to missing authentication, allowing network-adjacent attackers to execute arbitrary code remotely without any credentials or user interaction. Exploitation results in full compromise of confidentiality, integrity, and availability of the affected device. Although no known exploits are currently in the wild, the vulnerability poses a significant risk to installations running version 4.2.7. European organizations using these charging stations could face operational disruptions and potential lateral movement into broader networks. Mitigations include network segmentation, disabling Telnet if possible, restricting access to port 2000, and monitoring for unusual activity. Countries with high EV adoption and deployments of Enel X JuiceBox 40, such as Germany, France, Italy, and the Netherlands, are most likely to be impacted. Given the ease of exploitation and critical impact, this vulnerability demands urgent attention from defenders.