CVE-2022-25727 in Snapdragon Consumer IOT
Summary
by MITRE • 11/15/2022
Memory Corruption in modem due to improper length check while copying into memory in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music
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Analysis
by VulDB Data Team • 05/08/2026
This vulnerability represents a critical memory corruption issue affecting Qualcomm Snapdragon chipsets used in consumer and industrial internet of things devices, as well as voice and music applications. The flaw manifests when the modem component fails to properly validate input lengths during memory copy operations, creating opportunities for attackers to manipulate memory structures through crafted inputs. The vulnerability stems from inadequate bounds checking mechanisms within the modem firmware, which processes communication protocols and handles data transmission between various system components. This memory corruption vulnerability specifically impacts devices utilizing Snapdragon Consumer IOT, Snapdragon Industrial IOT, and Snapdragon Voice & Music platforms, indicating a widespread exposure across multiple product lines. The improper length validation occurs during data transfer operations where the system copies data from one memory region to another without sufficient verification of source buffer boundaries. This allows malicious actors to potentially overwrite adjacent memory locations, leading to unpredictable system behavior, application crashes, or more severe consequences including privilege escalation. The vulnerability aligns with CWE-129, which addresses improper validation of input length, and represents a classic example of buffer overflow conditions that can be exploited through malformed data injection attacks. From an operational security perspective, this vulnerability poses significant risks to connected devices that rely on these chipsets for communication functionality, potentially enabling remote code execution or denial of service conditions. The attack surface includes any application or service that communicates through the affected modem components, particularly those handling network protocols or data transmission from external sources. The impact extends beyond individual device compromise to potential network-wide disruptions when devices are part of larger IoT ecosystems or industrial automation systems. Organizations should prioritize patching efforts across all affected Snapdragon platforms, as the vulnerability can be exploited remotely through network-based attacks targeting communication protocols. Security teams should implement network monitoring to detect anomalous traffic patterns that might indicate exploitation attempts, while also considering the broader implications for device lifecycle management and firmware update policies. The vulnerability demonstrates the critical importance of input validation and memory safety practices in embedded systems, particularly in IoT environments where device compromise can have cascading effects throughout connected infrastructure. Mitigation strategies should include firmware updates from manufacturers, network segmentation to limit exposure, and enhanced monitoring of modem-related activities to detect potential exploitation attempts. The ATT&CK framework categorizes this vulnerability under privilege escalation and execution techniques, as successful exploitation could enable attackers to gain elevated system privileges and execute arbitrary code on affected devices. Organizations must also consider the long-term implications of this vulnerability on their security posture, particularly regarding the security of IoT deployments and industrial control systems that rely on these chipsets for core communication functions.