PT-2026-25835 · Chargepoint · Chargepoint Home Flex

Published 2026-03-16 · Updated 2026-04-21 · CVE-2026-4156

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions ChargePoint Home Flex (affected versions not specified)

Description A stack-based buffer overflow exists in the OCPP getpreq functionality of ChargePoint Home Flex, potentially leading to remote code execution. The issue was discovered during the Pwn2Own competition and credited to Synacktiv.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

CVE-2026-4156

ZDI-26-196

Affected Products

Chargepoint Home Flex

References · 6

• https://zerodayinitiative.com/advisories/ZDI-26-196 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-4156 · Security Note
• https://twitter.com/CVEnew/status/2045972435011539397 · Twitter Post
• https://twitter.com/TheZDIBugs/status/2033657809628451178 · Twitter Post
• https://twitter.com/giuseppe_1337/status/2046394808046919686 · Twitter Post
• https://twitter.com/vuldb/status/2033738131015709039 · Twitter Post