What’s Vulnerable › Vulnerabilities

CVE-2025-21458: Use After Free in NPU

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-06 · updated 2026-06-17
• Weakness: CWE-416

Description

Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.

Affected products

• Qualcomm Fastconnect 6900 Firmware: all versions
• Qualcomm Qam8255P Firmware: all versions
• Qualcomm Qam8650P Firmware: all versions
• Qualcomm Qam8775P Firmware: all versions
• Qualcomm Qca6174A Firmware: all versions
• Qualcomm Qca6698Aq Firmware: all versions
• Qualcomm Qca6797Aq Firmware: all versions
• Qualcomm Sa7255P Firmware: all versions
• Qualcomm Sa7775P Firmware: all versions
• Qualcomm Sa8255P Firmware: all versions
• Qualcomm Sa8620P Firmware: all versions
• Qualcomm Sa8650P Firmware: all versions
• Qualcomm Sa8775P Firmware: all versions
• Qualcomm Sa9000P Firmware: all versions
• Qualcomm Snapdragon 888+ 5G Mobile Platform (Sm8350-Ac) Firmware: all versions
• Qualcomm Snapdragon 888 5G Mobile Platform Firmware: all versions
• Qualcomm Sw5100 Firmware: all versions
• Qualcomm Sw5100P Firmware: all versions
• Qualcomm Wcd9380 Firmware: all versions
• Qualcomm Wcd9385 Firmware: all versions
• Qualcomm Wcn3980 Firmware: all versions
• Qualcomm Wcn3988 Firmware: all versions
• Qualcomm Wsa8830 Firmware: all versions
• Qualcomm Wsa8835 Firmware: all versions

References

• https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html

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