CVE-2026-24077 in Snapdragon Auto
Summary
by MITRE • 08/04/2026
Information Disclosure when processing wireless network channel switch information with improperly formatted length fields.
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Analysis
by VulDB Data Team • 08/04/2026
This vulnerability represents a critical information disclosure flaw that occurs during the processing of wireless network channel switch operations when length fields in received frames are improperly formatted or malformed. The issue manifests when wireless network devices receive channel switch announcement frames containing incorrectly structured length indicators that do not conform to expected IEEE 802.11 standards. When these malformed frames are processed without proper validation, the device's internal state information becomes exposed through memory dumps, error messages, or unexpected behavior patterns that reveal sensitive data about the network configuration, device state, or operational parameters.
The technical root cause stems from insufficient input validation mechanisms within wireless network stack implementations, particularly in how they handle channel switch announcements defined in IEEE 802.11 standard specifications. This vulnerability aligns with CWE-20 Improper Input Validation and CWE-248 Uncaught Exception categories, as the system fails to properly validate frame structure before processing. The flaw occurs during the parsing phase where length fields are interpreted without proper bounds checking, leading to potential buffer overflows or information leakage through improper error handling routines.
Operational impact of this vulnerability extends beyond simple information disclosure to potentially enable more sophisticated attacks within wireless network environments. An attacker positioned to inject malformed channel switch frames could leverage this weakness to extract sensitive configuration data, device identifiers, or network topology information that would normally remain confidential. The exposure could compromise wireless network security posture by revealing details about access point configurations, channel plans, or operational characteristics that aid in subsequent attack planning. This vulnerability particularly affects enterprise wireless infrastructure where channel switching is frequently used for network optimization and management purposes.
Mitigation strategies should focus on implementing robust input validation controls within wireless network stack components, specifically around frame parsing routines that handle channel switch announcements. Network administrators should ensure firmware updates are applied to address known vulnerabilities in wireless access point implementations, with particular attention to manufacturers who have published patches for similar issues. The implementation of proper bounds checking and length validation procedures before processing any wireless frame data represents the primary defense mechanism against this class of vulnerability. Additionally, network monitoring systems should be configured to detect anomalous channel switch frame patterns that could indicate exploitation attempts.
This vulnerability demonstrates the importance of secure coding practices in wireless network implementations and aligns with ATT&CK technique T1592 - Gather Victim Host Information and T1082 - System Information Discovery, as it enables adversaries to collect operational data about wireless network infrastructure. The weakness highlights the need for comprehensive security testing of wireless protocols and proper adherence to secure development lifecycle practices in wireless networking equipment vendors. Organizations should consider implementing network segmentation and monitoring controls that can detect unusual channel switching behavior patterns indicative of exploitation attempts, while also ensuring regular vulnerability assessments targeting wireless network infrastructure components.