CVE-2025-47403 Qualcomm, Inc. CVE debrief

Who should care

Defenders of wireless networks and Qualcomm Snapdragon devices should assess exposure to transient DOS attacks and verify wireless roaming configurations.

Why it matters

CVE-2025-47403 causes a Transient DOS in Qualcomm Snapdragon devices during wireless roaming, requiring defenders to assess exposure and verify configurations.

• Verify wireless roaming configurations to prevent malformed Fast Transition response frames
• Monitor network traffic for unusual patterns that may indicate DOS attacks
• Update incident response plans to address potential DOS attacks
• Assess exposure of Qualcomm Snapdragon devices to transient DOS attacks

Technical summary

The vulnerability causes a Transient DOS when processing a malformed Fast Transition response frame with an invalid header structure during wireless roaming in Qualcomm Snapdragon devices. This requires defenders to assess exposure and verify wireless roaming configurations. The technical impact is a potential DOS attack, which can be mitigated by reviewing and updating incident response plans.

Defensive priority

Medium

Recommended defensive actions

• Assess exposure of Qualcomm Snapdragon devices to transient DOS attacks
• Verify wireless roaming configurations for malformed Fast Transition response frames
• Implement network monitoring for unusual traffic patterns
• Review and update incident response plans for potential DOS attacks

Evidence notes

The CVE Program record and NVD vulnerability detail provide information on the vulnerability, which causes a Transient DOS when processing a malformed Fast Transition response frame with an invalid header structure during wireless roaming.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.