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CVE-2026-4156

nvd nist
Published: Apr 11, 2026Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.6 / Impact: 5.9
Source: zdi-disclosures@trendmicro.com (Secondary)

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 (1)

Chargepoint
1 product
Home Flex Cph50 Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Home Flex Cph50 Firmware
Before 5.5.4.22
Running on/withPlatform Versions
Chargepoint
Home Flex Cph50
All versions

Related CWEs

CWE-121
Stack-based Buffer Overflow
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

References (1)

Source: zdi-disclosures@trendmicro.com
Third Party Advisory

Timeline

No history available yet.