VULNERABILITY INTELLIGENCE

CVE-2026-4156

CVSS score7.5 HIGH
EPSS probability0.43%
CISA KEVNot currently listed
Published2026-04-11
Last modified2026-10-26
CVSS vectorCVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • zdi-disclosures@trendmicro.com: CWE-121

Primary references