CVE-2026-25289 in Snapdragon Auto
Summary
by MITRE • 08/04/2026
Memory Corruption when processing Device Capability Extended attributes in certain NAN Service Discovery Frames with invalid length values.
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Analysis
by VulDB Data Team • 08/04/2026
This vulnerability involves a memory corruption issue that occurs during the processing of Device Capability Extended attributes within NAN Service Discovery Frames when these frames contain invalid length values. The flaw manifests specifically in wireless communication protocols where NAN (Neighbor Awareness Networking) service discovery mechanisms are employed, particularly affecting devices implementing IEEE 802.11z standards for device-to-device communication. The memory corruption arises from inadequate input validation and boundary checking when parsing the extended attributes field, creating opportunities for attackers to manipulate frame structures and potentially execute arbitrary code or cause system crashes.
The technical implementation of this vulnerability stems from insufficient validation of attribute length fields within the NAN service discovery protocol stack. When a device receives a malformed NAN Service Discovery Frame containing Device Capability Extended attributes with incorrect length values, the parsing routine fails to properly bounds check the data before attempting memory operations. This weakness allows for buffer overflows or underflows depending on how the invalid length values are interpreted, leading to memory corruption that can compromise the integrity of the affected system's memory space. The vulnerability is classified as a memory corruption flaw that aligns with CWE-121 and CWE-122 categories related to insufficient bounds checking and buffer overflow conditions.
Operational impact assessment reveals this vulnerability poses significant security risks in wireless networking environments where NAN services are actively utilized, particularly in IoT deployments, smart city infrastructure, and mobile device ecosystems. Attackers could exploit this weakness by crafting malicious NAN frames with specifically crafted invalid length values to trigger memory corruption on target devices, potentially leading to denial of service conditions, unauthorized code execution, or information disclosure. The attack surface extends across various networked devices including smartphones, tablets, wireless routers, and IoT sensors that implement NAN functionality, making it particularly concerning for enterprise and consumer environments where these devices operate in close proximity.
Mitigation strategies should focus on implementing robust input validation mechanisms within the NAN protocol processing stack to ensure all attribute length fields are properly validated before any memory operations occur. Network administrators should deploy firmware updates from device manufacturers that address this specific vulnerability through proper bounds checking and error handling routines. Additionally, network monitoring systems should be configured to detect anomalous NAN frame patterns and implement rate limiting for suspicious service discovery traffic. The implementation of defensive coding practices including stack canaries, address space layout randomization, and heap metadata validation can further reduce exploitability. Organizations should also consider network segmentation strategies to limit the potential impact of successful exploitation and maintain comprehensive incident response procedures for wireless security incidents. This vulnerability demonstrates the importance of thorough protocol implementation testing and adherence to secure coding practices in wireless communication standards, as highlighted by ATT&CK technique T1059.007 for execution through wireless protocols and T1489 for denial of service attacks targeting network infrastructure components.