CVE-2025-47384 in Snapdragon Auto
Summary
by MITRE • 03/02/2026
Transient DOS when MAC configures config id greater than supported maximum value.
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Analysis
by VulDB Data Team • 06/02/2026
This vulnerability represents a transient denial of service condition that occurs within network device configurations when a media access control address configuration attempts to set a configuration identifier value exceeding the system's supported maximum threshold. The issue manifests specifically during the MAC configuration process where the system fails to properly validate input parameters against established bounds, leading to a temporary disruption of network services. The transient nature of this vulnerability indicates that while the system experiences a temporary outage or service degradation, it typically recovers automatically once the erroneous configuration is cleared or reset. This type of vulnerability falls under the category of improper input validation where the system does not adequately enforce parameter constraints during configuration operations.
The technical flaw stems from insufficient boundary checking within the MAC configuration management module, where configuration identifiers are accepted without proper verification against predefined maximum limits. When an attacker or administrator attempts to set a configuration ID value beyond the supported range, the system's internal state management becomes corrupted or enters an undefined condition that temporarily prevents normal network operations. This behavior creates a window where network connectivity is disrupted until the system can recover from the invalid configuration state. The vulnerability is particularly concerning in environments where automated configuration management systems or network provisioning tools might inadvertently set such invalid values, leading to unplanned service interruptions. From a cybersecurity perspective, this represents a weakness in the system's defensive programming practices and input sanitization mechanisms.
The operational impact of CVE-2025-47384 manifests as temporary network service degradation that can affect various network functions depending on the specific implementation. During the transient denial of service period, network devices may become unreachable, packet forwarding may be disrupted, or network management operations might fail until the system recovers from the invalid configuration state. The duration of the service disruption depends on the system's recovery mechanisms and whether manual intervention is required to clear the invalid configuration. Organizations relying on continuous network availability may experience significant operational disruptions, particularly in mission-critical environments where network reliability is paramount. The vulnerability can also serve as a vector for more sophisticated attacks if an adversary can leverage the transient nature to cause repeated service disruptions or to mask other malicious activities within the network infrastructure.
Mitigation strategies for this vulnerability should focus on implementing robust input validation mechanisms that enforce configuration limits during MAC configuration operations. System administrators should ensure that all configuration management processes include proper parameter bounds checking and error handling procedures that prevent invalid configuration values from being applied to network devices. Regular system updates and patches should be deployed to address known vulnerabilities in network device firmware and operating systems. Network monitoring solutions should be configured to detect unusual configuration changes or service disruptions that might indicate exploitation attempts. Additionally, implementing configuration management policies that restrict unauthorized configuration changes and require validation procedures before applying new settings can significantly reduce the risk of encountering this vulnerability. Organizations should also consider implementing automated rollback procedures that can quickly restore valid configuration states when invalid parameters are detected. The vulnerability aligns with CWE-129, which addresses improper validation of array indices, and may be related to ATT&CK technique T1566, which covers credential access through network configuration modifications.