Advisory Details

March 16th, 2026

(Pwn2Own) ChargePoint Home Flex revssh Service Command Injection Remote Code Execution Vulnerability

ZDI-26-197
ZDI-CAN-26338

CVE ID CVE-2026-4157
CVSS SCORE 7.5, AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS ChargePoint
AFFECTED PRODUCTS Home Flex
VULNERABILITY DETAILS

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of ChargePoint Home Flex devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of OCPP messages. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.

ADDITIONAL DETAILS

Fixed in CPH50 firmware version 5.5.4.22


DISCLOSURE TIMELINE
  • 2025-03-06 - Vulnerability reported to vendor
  • 2026-03-16 - Coordinated public release of advisory
  • 2026-03-16 - Advisory Updated
CREDIT Viettel Cyber Security
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