CVE-2025-5743 in EVLink WallBox
Summary
by MITRE • 06/10/2025
CWE-78: I Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability exists that could cause remote control over the charging station when an authenticated user modifies configuration parameters on the web server.
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Analysis
by VulDB Data Team • 10/07/2025
This vulnerability represents a critical operating system command injection flaw classified under CWE-78 which occurs when special elements in operating system commands are not properly neutralized. The vulnerability specifically affects charging station systems where authenticated users can manipulate configuration parameters through a web server interface. When legitimate user inputs containing command delimiters or special characters are not adequately sanitized or validated, attackers can inject malicious operating system commands that execute with the privileges of the web server process. The exploitation potential is significant as it allows remote control over the charging station functionality, potentially enabling unauthorized access to charging sessions, modification of billing parameters, or complete system compromise. This type of vulnerability falls under the attack pattern category of command injection as defined in the ATT&CK framework, specifically targeting the execution of arbitrary commands on the target system. The risk is amplified by the authenticated nature of the attack vector, meaning that an attacker must first obtain valid credentials but once achieved, can leverage the web server interface to execute malicious commands. The technical implementation likely involves web forms or API endpoints that directly incorporate user-supplied data into system commands without proper input validation or parameter escaping mechanisms. This allows for arbitrary command execution that could result in complete system takeover, data exfiltration, or disruption of charging services. The vulnerability impacts the integrity and availability of the charging station infrastructure, potentially allowing attackers to manipulate charging sessions, modify configuration settings, or even disable the charging system entirely.
The operational impact of this vulnerability extends beyond simple command execution to encompass potential financial loss, service disruption, and compromise of sensitive data within charging station networks. When an authenticated user can inject OS commands through web configuration parameters, it creates a persistent attack vector that can be exploited repeatedly without requiring additional authentication. The web server interface becomes a critical attack surface where user inputs are directly processed into system commands, bypassing normal security controls. This vulnerability can be exploited through various methods including command chaining, environment variable manipulation, or leveraging system-specific command injection patterns. The attack chain typically begins with an authenticated user accessing configuration parameters, followed by injection of malicious command sequences that execute with elevated privileges. The severity classification is elevated due to the potential for remote system compromise and the critical nature of charging station infrastructure. Organizations may face regulatory compliance issues and operational disruptions if this vulnerability is exploited, particularly in environments where charging stations are connected to payment systems or integrated with larger network infrastructures. The vulnerability demonstrates a fundamental flaw in input sanitization practices and highlights the importance of implementing proper command execution safeguards in web applications.
Mitigation strategies should focus on implementing robust input validation and sanitization mechanisms to prevent command injection attacks. The primary defense involves ensuring that all user inputs are properly escaped or encoded before being incorporated into operating system commands. Organizations should implement strict parameter validation, employ command whitelisting approaches, and utilize secure coding practices that avoid direct command execution with user-supplied data. The implementation of web application firewalls and input validation controls can provide additional layers of protection against such attacks. Security measures should include regular code reviews focusing on command execution patterns, implementation of principle of least privilege for web server processes, and deployment of network segmentation to limit the potential impact of exploitation. Organizations should also establish monitoring and logging mechanisms to detect suspicious command execution patterns and implement regular security assessments targeting command injection vulnerabilities. The use of secure coding standards and frameworks that provide built-in protection against command injection attacks can significantly reduce the risk. Additionally, implementing multi-factor authentication and session management controls can help limit the impact of compromised credentials. Regular security training for developers on secure coding practices and vulnerability awareness is essential to prevent similar issues in future implementations. The vulnerability underscores the importance of following established security frameworks and guidelines that address command injection threats, including recommendations from organizations such as the OWASP project and NIST cybersecurity guidelines.