CVE-2025-71412 in CPDLC
Summary
by MITRE • 08/07/2026
Injection of false emergency or status messages over CPDLC may lead to misallocation of resources, operational confusion, and improper response actions by flight crews, traffic controllers, and ground operations. This type of attack can be carried out remotely over radio frequency.
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Analysis
by VulDB Data Team • 08/07/2026
This vulnerability represents a critical security flaw in civil aviation communication systems that leverages the Controller-Pilot Data Link Communication protocol to inject malicious false emergency or status messages. The attack vector operates entirely over radio frequency channels, enabling remote exploitation without physical access to aircraft or ground infrastructure. This type of injection can be executed by adversaries who gain unauthorized access to CPDLC communication networks, potentially through compromised network nodes, man-in-the-middle positions, or by exploiting weaknesses in authentication mechanisms that protect these critical aviation data links.
The technical implementation of such attacks relies on the fundamental architecture of CPDLC systems which utilize datalink communications between air traffic control and aircraft to exchange flight status information, instructions, and emergency notifications. When false messages are injected into this communication stream, they appear legitimate to receiving systems because they conform to established message formats and protocols. The vulnerability stems from insufficient input validation and authentication checks within the CPDLC infrastructure, allowing malicious actors to manipulate the flow of critical aviation information. This weakness is particularly dangerous because CPDLC messages are designed to be processed automatically by flight management systems and air traffic control workstations, meaning that false emergency alerts could trigger immediate and potentially inappropriate responses from automated systems and human operators.
The operational impact of such injection attacks extends far beyond simple misinformation, creating cascading effects throughout aviation safety protocols and resource allocation procedures. Flight crews receiving false emergency notifications may initiate inappropriate emergency procedures, diverting aircraft from their intended flight paths and consuming valuable fuel resources while potentially disrupting air traffic flow. Ground operations personnel may reallocate emergency response resources based on fabricated distress calls, leaving actual emergencies without adequate support. Traffic controllers could make incorrect routing decisions or issue conflicting instructions as a result of false status updates, creating dangerous situations in high-density airspace environments where precise coordination is essential for safe aircraft separation. The attack can also trigger unnecessary activation of emergency protocols, leading to increased workload for air traffic controllers and potential communication delays that compromise overall system efficiency.
From a cybersecurity perspective, this vulnerability aligns with multiple CWE categories including CWE-20 Input Validation, CWE-311 Missing Encryption, and CWE-345 Insufficient Verification of Data Authenticity. The attack pattern corresponds to techniques described in the MITRE ATT&CK framework under T1589 Steal or Forge Authentication Certificates and T1496 Resource Hijacking, as adversaries exploit communication protocols to manipulate system resources and compromise operational integrity. The remote nature of exploitation means that attackers can operate from anywhere with appropriate radio frequency access, making defensive measures challenging and requiring comprehensive network monitoring solutions. Organizations should implement robust message authentication mechanisms using cryptographic signatures to verify the authenticity of all CPDLC communications, establish secure network segmentation to isolate critical aviation data links, and deploy continuous monitoring systems capable of detecting anomalous message patterns or unauthorized access attempts.
Mitigation strategies must address both technical and operational aspects of this vulnerability. Technical controls include implementing strong end-to-end encryption for all CPDLC communications, deploying message integrity verification mechanisms that can detect tampered or forged messages, and establishing multi-factor authentication protocols for access to CPDLC network components. Network architecture improvements should focus on creating isolated communication paths for emergency alerts and implementing automatic anomaly detection systems that can identify suspicious message patterns in real-time. Operational procedures must include regular security assessments of CPDLC infrastructure, incident response protocols specifically designed for false message injection scenarios, and comprehensive training programs for air traffic controllers and flight crews to recognize potentially fraudulent communications. Additionally, industry-wide standards such as those developed by the International Civil Aviation Organization should be enhanced to include specific requirements for protecting CPDLC systems against malicious injection attacks, ensuring that all stakeholders maintain consistent security postures across global aviation networks.