CVE-2025-47318 in Snapdragon Auto
Summary
by MITRE • 09/24/2025
Transient DOS while parsing the EPTM test control message to get the test pattern.
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Analysis
by VulDB Data Team • 09/24/2025
The vulnerability identified as CVE-2025-47318 represents a transient denial of service condition that occurs during the processing of EPTM test control messages within a specific system component. This issue manifests when the system attempts to parse test pattern information contained within EPTM control messages, creating a window where normal operational functionality becomes temporarily disrupted. The transient nature of this vulnerability indicates that the system may recover automatically after the parsing operation completes, though the disruption period can vary based on system configuration and processing load.
The technical flaw stems from inadequate input validation and error handling mechanisms within the EPTM message processing pipeline. When malformed or unexpected test pattern data is encountered during message parsing, the system fails to properly handle the exception, leading to a temporary service interruption. This parsing failure typically occurs in the message decoding layer where the system attempts to interpret test control parameters that define specific test patterns for equipment performance testing. The vulnerability exposes a weakness in the system's robustness against malformed data inputs, particularly in contexts where real-time processing is required for test operations.
Operational impact of this vulnerability extends beyond simple service interruption as it can affect the reliability of testing procedures and overall system availability. During the transient denial of service period, dependent systems may experience delays or complete unavailability of test pattern services, potentially causing cascading effects in automated testing environments. The vulnerability particularly impacts systems where EPTM messages are processed in real-time or near-real-time contexts, such as telecommunications infrastructure testing, industrial control systems, or network equipment validation platforms. Organizations relying on continuous testing operations may experience significant disruption to their validation processes, potentially leading to extended downtime or the need for manual intervention.
Mitigation strategies for CVE-2025-47318 should focus on implementing comprehensive input validation and robust error handling mechanisms within the EPTM message processing framework. System administrators should deploy enhanced parsing routines that can gracefully handle malformed inputs without causing service interruption, incorporating defensive programming techniques that prevent the system from entering an unstable state during message processing. The implementation of circuit breaker patterns and timeout mechanisms can help isolate problematic message processing without affecting overall system functionality. Additionally, monitoring solutions should be enhanced to detect and alert on unusual processing patterns that may indicate the vulnerability is being exploited, enabling proactive response measures. This vulnerability aligns with CWE-248, which addresses the exposure of an exception in an application, and may map to ATT&CK technique T1499.004 for network disruption through protocol manipulation. Regular security updates and code reviews should target the specific parsing functions handling EPTM messages to ensure that all edge cases are properly addressed and that the system maintains operational resilience under various input conditions.