CVE-2025-47328 in Snapdragon CCW
Summary
by MITRE • 09/24/2025
Transient DOS while processing power control requests with invalid antenna or stream values.
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Analysis
by VulDB Data Team • 09/24/2025
This vulnerability represents a transient denial of service condition affecting wireless power control request processing within network infrastructure devices. The flaw manifests when systems encounter power control requests containing invalid antenna or stream values, causing temporary system instability and service disruption. The vulnerability specifically impacts devices that handle wireless communication protocols where power control mechanisms are critical for maintaining signal quality and network performance. Such systems typically process power control requests as part of their normal operational cycle to optimize transmission power levels based on signal conditions and device capabilities.
The technical implementation of this vulnerability stems from insufficient input validation within the power control request processing pipeline. When invalid antenna identifiers or stream values are received, the system fails to properly validate these parameters before attempting to process the request. This lack of proper validation creates a condition where malformed data can cause the processing engine to enter an unstable state, potentially leading to temporary service interruption or complete system unresponsiveness. The vulnerability is classified as transient because the system typically recovers once the invalid request is processed or when the system reinitializes its power control mechanisms. The flaw aligns with CWE-20, which addresses improper input validation, and represents a classic example of how malformed data can cause system instability in network protocol implementations.
The operational impact of this vulnerability extends beyond simple service interruption to potentially affect network reliability and performance. In wireless infrastructure environments, power control requests are frequent and critical for maintaining optimal signal quality across multiple users and devices. When these requests cause transient system disruptions, it can lead to degraded network performance, increased latency, and potential service degradation for end users. The vulnerability particularly affects systems where multiple power control requests are processed concurrently, as the transient nature of the disruption can compound and cause cascading effects throughout the network infrastructure. Network administrators may observe intermittent connectivity issues or performance degradation that correlates with power control request processing activities.
Mitigation strategies for this vulnerability should focus on implementing robust input validation mechanisms within the power control request processing components. Systems should validate all antenna and stream values against predefined acceptable ranges and formats before processing any power control requests. The implementation should include proper error handling and graceful degradation mechanisms that prevent system instability when invalid values are encountered. Additionally, monitoring and logging capabilities should be enhanced to detect and alert on invalid power control requests, enabling proactive system maintenance. Organizations should consider implementing rate limiting or request queuing mechanisms to prevent overwhelming the power control processing engine with malformed requests. This vulnerability demonstrates the importance of defensive programming practices and input validation in network infrastructure systems, aligning with ATT&CK technique T1499.004 for network denial of service attacks where system instability is caused by malformed input processing.