CVE-2026-4157: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in ChargePoint Home Flex
ChargePoint Home Flex revssh Service Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of ChargePoint Home Flex devices. 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 a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-26338.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-4157) affects ChargePoint Home Flex version 5.5.4.13 and involves improper neutralization of special elements in OS commands (CWE-78). The flaw exists in the revssh service's handling of OCPP messages, where user input is not properly validated before being used in system calls. This allows an unauthenticated, network-adjacent attacker to execute arbitrary commands with root privileges on the affected device. The CVSS 3.0 base score is 7.5, reflecting high impact on confidentiality, integrity, and availability. No patch or official remediation guidance has been published by ChargePoint as of the vulnerability disclosure date.
Potential Impact
Successful exploitation enables remote code execution as root without authentication, potentially allowing attackers to fully control the affected ChargePoint Home Flex device. This compromises device confidentiality, integrity, and availability. The vulnerability is exploitable by attackers with network adjacency, increasing the risk in local or segmented network environments.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected device to trusted sources only and monitor for unusual activity. Avoid exposing the device to untrusted networks. Follow ChargePoint's official communications for updates on patches or mitigations.
CVE-2026-4157: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in ChargePoint Home Flex
Description
ChargePoint Home Flex revssh Service Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of ChargePoint Home Flex devices. 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 a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-26338.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-4157) affects ChargePoint Home Flex version 5.5.4.13 and involves improper neutralization of special elements in OS commands (CWE-78). The flaw exists in the revssh service's handling of OCPP messages, where user input is not properly validated before being used in system calls. This allows an unauthenticated, network-adjacent attacker to execute arbitrary commands with root privileges on the affected device. The CVSS 3.0 base score is 7.5, reflecting high impact on confidentiality, integrity, and availability. No patch or official remediation guidance has been published by ChargePoint as of the vulnerability disclosure date.
Potential Impact
Successful exploitation enables remote code execution as root without authentication, potentially allowing attackers to fully control the affected ChargePoint Home Flex device. This compromises device confidentiality, integrity, and availability. The vulnerability is exploitable by attackers with network adjacency, increasing the risk in local or segmented network environments.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected device to trusted sources only and monitor for unusual activity. Avoid exposing the device to untrusted networks. Follow ChargePoint's official communications for updates on patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- zdi
- Date Reserved
- 2026-03-13T20:34:14.213Z
- Cvss Version
- 3.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d99e6e1cc7ad14da1225b9
Added to database: 4/11/2026, 1:05:50 AM
Last enriched: 4/18/2026, 2:33:17 PM
Last updated: 5/26/2026, 1:37:52 PM
Views: 77
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