Dashboard / CVE-2026-4156

CVE-2026-4156

HIGH
MEDIUM Priority: 0.03 BB Relevance: 50/100
Published: 2026-04-11 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Adjacent No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Adjacent
AC: High
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

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 (1)

Affected Software (1)

VendorProductVersion
chargepoint home_flex_cph50_firmware < 5.5.4.22

References & Advisories (1)

Bug Bounty Relevance

50 / 100
✓ No authentication
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.0
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.43%
Raw Score 0.004250
Percentile 36.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00425
2026-10-28
0.00425

Intelligence Sources

nvd ref →

External Links