CVE-2025-40716 in Gateway
Summary
by MITRE • 07/08/2025
SQL injection vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter. This vulnerability allows an attacker to retrieve, create, update and delete databases through the suceso.contenido mensaje in /QMSCliente/Sucesos.action.
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Analysis
by VulDB Data Team • 10/18/2025
The SQL injection vulnerability identified as CVE-2025-40716 affects Quiter Gateway versions prior to 4.7.0 and represents a critical security flaw that undermines the integrity of database operations within the system. This vulnerability specifically manifests through the suceso.contenido mensaje parameter in the /QMSCliente/Sucesos.action endpoint, creating an attack surface where malicious actors can exploit improper input validation mechanisms to execute unauthorized database commands. The flaw resides in the application's failure to properly sanitize or escape user-supplied data before incorporating it into SQL query structures, thereby enabling attackers to manipulate the underlying database through crafted malicious inputs.
The technical implementation of this vulnerability stems from inadequate parameter validation and query construction practices within the Quiter Gateway's web application framework. When the suceso.contenido mensaje parameter is processed, the system fails to implement proper input sanitization or prepared statement usage, allowing attackers to inject malicious SQL code directly into the database execution pipeline. This weakness directly maps to CWE-89 which categorizes SQL injection as a fundamental flaw in application security where untrusted data is embedded into SQL queries without proper escaping or parameterization. The vulnerability operates at the application layer and can be exploited through web-based attacks that target the specific endpoint structure of the QMSCliente application.
The operational impact of this vulnerability extends beyond simple data retrieval capabilities to encompass full database manipulation privileges including create, update, and delete operations. Attackers who successfully exploit this vulnerability can gain unauthorized access to sensitive information stored within the Quiter Gateway database, potentially leading to data breaches, information disclosure, and system compromise. The vulnerability affects the confidentiality, integrity, and availability of the database systems managed by the gateway, creating risks for organizations that rely on this platform for critical business operations. Additionally, the attack surface is particularly concerning given that the vulnerability exists in the core message handling functionality that likely processes user communications and system events.
The exploitation of this vulnerability aligns with several ATT&CK framework techniques including T1190 for exploitation of remote services and T1071.004 for application layer protocol usage. Organizations utilizing Quiter Gateway versions prior to 4.7.0 should immediately implement mitigations including input validation, parameterized queries, and application firewalls to protect against exploitation attempts. The most effective immediate solution involves upgrading to Quiter Gateway version 4.7.0 or later, which incorporates proper SQL injection prevention mechanisms. Additional defensive measures should include implementing web application firewalls, conducting thorough input validation, and establishing proper database access controls to limit the potential impact of any successful exploitation attempts. Security monitoring should be enhanced to detect suspicious patterns in the suceso.contenido mensaje parameter usage and to alert on potential exploitation attempts targeting this specific endpoint.