CVEvulnerability

CVE-2026-4156

7.5 HIGH Published 2026-04-11 Modified 2026-10-26 Official page ↗
Status
Analyzed
Published
2026-04-11
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-121

Description

ChargePoint Home Flex OCPP getpreq Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of ChargePoint Home Flex EV chargers. 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 the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-26339.

Affected configurations

• chargepoint home flex cph50 firmware (< 5.5.4.22)

Related

Weakness · CWE (1)

  • CWE-121 Stack-based Buffer Overflow weakness

References