CVE-2025-47342 is a use-after-free vulnerability categorized under CWE-416 found in Qualcomm Snapdragon audio platforms, specifically affecting chipsets QCC5161, QCC7225, QCC7226, QCC7228, and the S3 and S5 Sound Platforms. The vulnerability manifests when multi-profile concurrency is enabled alongside Qualcomm High-Speed (QHS) mode, which is a feature designed to optimize Bluetooth audio performance by allowing multiple audio profiles to operate concurrently. The use-after-free condition occurs due to improper memory management within the audio firmware or driver code, where a memory object is freed but subsequently accessed, leading to undefined behavior. This can cause a transient denial-of-service (DoS) condition, disrupting audio services temporarily. The CVSS v3.1 score of 7.1 reflects a high severity level, with an attack vector of network (AV:N), low attack complexity (AC:L), requiring privileges (PR:L) but no user interaction (UI:N). The impact primarily affects availability (A:H) and integrity (I:L), with no confidentiality impact (C:N). Although no exploits have been reported in the wild, the vulnerability poses a risk to devices using these chipsets, especially in environments where multi-profile concurrency and QHS are enabled. The lack of published patches necessitates proactive mitigation strategies. This vulnerability is particularly relevant for embedded systems and consumer electronics relying on Qualcomm Snapdragon audio platforms, including wireless earbuds, headsets, and smart speakers.

For European organizations, the primary impact of CVE-2025-47342 is the potential for transient denial-of-service conditions affecting audio functionality in devices using the vulnerable Qualcomm Snapdragon chipsets. This can disrupt communication, multimedia, and operational workflows dependent on these audio platforms. Industries such as telecommunications, consumer electronics manufacturing, and enterprises deploying Bluetooth audio devices may face service degradation or interruptions. The integrity impact, while lower, could affect audio data streams, potentially causing corrupted audio output. Although the vulnerability does not directly compromise confidentiality, the availability impact can lead to operational downtime or degraded user experience. Given the widespread use of Qualcomm Snapdragon chipsets in consumer and industrial devices across Europe, the vulnerability could affect a broad range of sectors, including automotive infotainment systems, healthcare devices, and smart home products. The absence of known exploits reduces immediate risk but does not eliminate the threat, especially as attackers may develop exploits once patches are released. Organizations relying on these devices should assess their exposure and prepare for incident response related to audio service disruptions.

1. Monitor Qualcomm and device vendor advisories closely for official patches or firmware updates addressing CVE-2025-47342 and apply them promptly upon release. 2. Where feasible, disable multi-profile concurrency and/or Qualcomm High-Speed (QHS) mode on affected devices to prevent triggering the use-after-free condition. 3. Limit network exposure of devices using vulnerable Snapdragon audio platforms by segmenting them on dedicated VLANs or restricting Bluetooth and network access to trusted sources only. 4. Implement strict access controls and privilege management to minimize the risk posed by the required low privileges for exploitation. 5. Conduct thorough testing of audio devices in controlled environments to detect any signs of transient DoS or instability related to this vulnerability. 6. Develop incident response plans that include procedures for handling audio service disruptions and potential device reboots or resets. 7. Engage with device manufacturers to understand the deployment of affected chipsets and request security status updates. 8. Educate end-users and IT staff about the symptoms of this vulnerability to enable early detection and reporting. 9. Consider alternative hardware or software solutions if mitigation options are limited and the risk is unacceptable.