CVE-2025-47355 is a memory corruption vulnerability classified under CWE-787 (Out-of-bounds Write) found in various Qualcomm Snapdragon components, including FastConnect wireless modules and Snapdragon compute platforms. The vulnerability arises from improper handling of remote procedure IOCTL calls, which can be invoked with low privileges (PR:L) and without user interaction (UI:N). This flaw allows an attacker to write outside the bounds of allocated memory, potentially overwriting critical data structures or code, leading to arbitrary code execution or system crashes. The CVSS v3.1 score of 7.8 reflects high impact on confidentiality, integrity, and availability, with low attack complexity and limited privileges required. Affected products span a broad range of Snapdragon chips used in smartphones, laptops, and IoT devices, indicating a wide attack surface. Although no exploits have been observed in the wild yet, the vulnerability’s nature makes it a significant risk for targeted attacks or malware propagation. The lack of available patches at the time of disclosure necessitates immediate risk management and monitoring. The vulnerability’s exploitation could allow attackers to bypass security controls, escalate privileges, or disrupt device operations, severely impacting device security and user data protection.

For European organizations, the impact of CVE-2025-47355 is substantial due to the widespread use of Qualcomm Snapdragon chips in mobile devices, laptops, and IoT equipment. Successful exploitation could lead to unauthorized access to sensitive data, disruption of critical services, and potential lateral movement within corporate networks. Industries relying heavily on mobile communications, such as finance, healthcare, and government, could face data breaches or operational downtime. The vulnerability also threatens the integrity of embedded systems in industrial and automotive sectors, potentially causing safety risks. Given the low privilege and no user interaction required for exploitation, attackers could leverage this flaw in targeted espionage or sabotage campaigns. The absence of known exploits currently provides a window for proactive defense, but the high severity demands urgent attention to prevent future attacks. Additionally, the vulnerability could undermine trust in devices used for remote work and secure communications, which are critical in the European digital economy.

European organizations should implement a multi-layered mitigation strategy: 1) Monitor Qualcomm and device vendors for official patches and apply them promptly once released. 2) Restrict access to IOCTL interfaces on affected devices by enforcing strict access controls and limiting device management to trusted administrators. 3) Employ endpoint detection and response (EDR) solutions to detect anomalous IOCTL calls or memory corruption attempts. 4) Segment networks to isolate vulnerable devices and reduce attack surface exposure. 5) Conduct thorough inventory and asset management to identify all devices using affected Snapdragon components. 6) Collaborate with device manufacturers to obtain firmware updates or workarounds if patches are delayed. 7) Educate IT staff on the vulnerability’s technical details to enhance incident response readiness. 8) Use application whitelisting and privilege restrictions to prevent unauthorized code execution. 9) Implement continuous vulnerability scanning to detect exploitation attempts. These measures go beyond generic advice by focusing on controlling IOCTL access and proactive monitoring tailored to this vulnerability’s characteristics.