CVE-2026-4157
Command Injection in ChargePoint Home Flex Enables Root RCE
Publication date: 2026-04-11
Last updated on: 2026-04-27
Assigner: Zero Day Initiative
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| chargepoint | home_flex_cph50_firmware | to 5.5.4.22 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-78 | The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The vulnerability allows remote code execution with root privileges on ChargePoint Home Flex devices without authentication, impacting confidentiality, integrity, and availability of the system.
Such impacts on confidentiality and integrity could potentially lead to non-compliance with standards and regulations like GDPR and HIPAA, which require protection of sensitive data and system integrity.
However, the provided information does not explicitly state the direct effects on compliance with these standards.
Can you explain this vulnerability to me?
CVE-2026-4157 is a remote code execution vulnerability in ChargePoint Home Flex devices, specifically in the revssh service.
The vulnerability arises from improper validation of user-supplied strings within the handling of OCPP (Open Charge Point Protocol) messages.
Because of this lack of validation, a network-adjacent attacker can execute arbitrary system commands without needing authentication.
Successful exploitation allows the attacker to run code with root privileges on the affected device.
How can this vulnerability impact me? :
This vulnerability can have severe impacts as it allows an attacker to execute arbitrary code with root privileges on the affected ChargePoint Home Flex device.
Since no authentication is required, an attacker with adjacent network access can compromise the device.
- Confidentiality impact: attacker can access sensitive information.
- Integrity impact: attacker can modify system files or configurations.
- Availability impact: attacker can disrupt or disable device functionality.