CVE-2025-9999 in PcVue
Summary
by MITRE • 09/05/2025
Some payload elements of the messages sent between two stations in a networking architecture are not properly checked on the receiving station allowing an attacker to execute unauthorized commands in the application.
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Analysis
by VulDB Data Team • 09/05/2025
This vulnerability represents a critical security flaw in network communication protocols where message validation mechanisms fail at the receiving endpoint. The issue stems from insufficient input sanitization and validation processes that occur during message processing, creating an attack surface where malicious payloads can bypass normal security controls. The vulnerability specifically affects the inter-station communication architecture where data integrity checks are either missing or inadequately implemented, allowing attackers to inject crafted payloads that appear legitimate to the receiving system. This type of vulnerability typically falls under the category of command injection or code execution flaws, where unauthorized commands can be executed within the application context of the receiving station. The flaw can be categorized as CWE-77 and CWE-94 according to the Common Weakness Enumeration, representing improper neutralization of special elements used in command execution and execution of externally-provided code or script respectively. From an operational perspective, this vulnerability enables attackers to perform unauthorized actions including but not limited to data manipulation, privilege escalation, or complete system compromise depending on the application's permissions and access controls. The attack vector typically involves intercepting network traffic or performing man-in-the-middle operations to inject malicious payloads into the communication stream between network stations. This vulnerability directly maps to attack techniques described in the MITRE ATT&CK framework under T1059 for command and scripting interpreter and T1566 for credential harvesting, as attackers can leverage the flaw to execute arbitrary commands and potentially escalate privileges within the network infrastructure. The impact extends beyond immediate command execution to include potential data exfiltration, service disruption, and lateral movement within the network environment. The vulnerability is particularly dangerous in industrial control systems, networked appliances, or any environment where secure inter-device communication is critical for operational integrity and safety. Organizations should prioritize immediate remediation through proper input validation, message integrity checks, and implementation of secure communication protocols that enforce strict validation of all received payloads. Additionally, network segmentation and monitoring solutions should be deployed to detect anomalous communication patterns that may indicate exploitation attempts. The flaw highlights the importance of defense-in-depth strategies and proper security architecture design that incorporates multiple layers of validation and verification mechanisms to prevent such critical vulnerabilities from being exploited in real-world scenarios.