CVE-2025-47408: Memory corruption when another driver calls an IOCTL with invalid input/output buffer.

CVE-2025-47408 · Severity: high · CVSS 7.8 · Published 2026-05-04

Memory corruption when another driver calls an IOCTL with invalid input/output buffer.

Technologies: Qualcomm Fastconnect 6200, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6900, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800, Qualcomm Fastconnect 7800 Firmware, Qualcomm Iqx5121, Qualcomm Iqx5121 Firmware, Qualcomm Iqx7181, Qualcomm Iqx7181 Firmware, Qualcomm Qca0000, Qualcomm Qca0000 Firmware, Qualcomm Sc8380xp, Qualcomm SC8380XP Firmware, Qualcomm Sd865 5g, Qualcomm Sm6250, Qualcomm SM6250 Firmware, Qualcomm Snapdragon XR2 5G, Qualcomm Wcd9380, Qualcomm Wcd9380 Firmware, Qualcomm Wcd9385, Qualcomm Wcd9385 Firmware, Qualcomm Wsa8810, Qualcomm Wsa8810 Firmware, Qualcomm Wsa8815, Qualcomm Wsa8815 Firmware, Qualcomm Wsa8840, Qualcomm Wsa8840 Firmware, Qualcomm Wsa8845, Qualcomm Wsa8845 Firmware, Qualcomm Wsa8845h, Qualcomm Wsa8845h Firmware. Vendors: Qualcomm.

Quick answers

Is CVE-2025-47408 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-47408 being exploited in the wild.
How severe is CVE-2025-47408?
High severity, with a CVSS score of 7.8, published 4 May 2026.
Which products and versions are affected?
Qualcomm Fastconnect 6200, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6900, Qualcomm Fastconnect 6900 Firmware and 36 more. The advisory does not name versions.
Is there a fix for CVE-2025-47408?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-47408?
Check whether you run Qualcomm Fastconnect 6200, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6900 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Qualcomm Fastconnect 6200
  • Qualcomm Fastconnect 6200 Firmware
  • Qualcomm Fastconnect 6900
  • Qualcomm Fastconnect 6900 Firmware
  • Qualcomm Fastconnect 7800
  • Qualcomm Fastconnect 7800 Firmware
  • Qualcomm Iqx5121
  • Qualcomm Iqx5121 Firmware
  • Qualcomm Iqx7181
  • Qualcomm Iqx7181 Firmware
  • Qualcomm Qca0000
  • Qualcomm Qca0000 Firmware
  • Qualcomm Sc8380xp
  • Qualcomm SC8380XP Firmware
  • Qualcomm Sd865 5g
  • Qualcomm Sd865 5g Firmware
  • Qualcomm Sm6250
  • Qualcomm SM6250 Firmware
  • Qualcomm Snapdragon XR2 5G
  • Qualcomm Snapdragon 7c Compute
  • Qualcomm Snapdragon 7c Compute Firmware
  • Qualcomm Snapdragon 7c Gen 2 Compute
  • Qualcomm Snapdragon 7c Gen 2 Compute Firmware
  • Qualcomm Snapdragon Xr2 5g Firmware
  • Qualcomm Snapdragon Xr2\+ Gen 1
  • Qualcomm Snapdragon Xr2\+ Gen 1 Firmware
  • Qualcomm Wcd9380
  • Qualcomm Wcd9380 Firmware
  • Qualcomm Wcd9385
  • Qualcomm Wcd9385 Firmware
  • Qualcomm Wsa8810
  • Qualcomm Wsa8810 Firmware
  • Qualcomm Wsa8815
  • Qualcomm Wsa8815 Firmware
  • Qualcomm Wsa8840
  • Qualcomm Wsa8840 Firmware
  • Qualcomm Wsa8845
  • Qualcomm Wsa8845 Firmware
  • Qualcomm Wsa8845h
  • Qualcomm Wsa8845h Firmware

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