CVE-2025-47400: Cryptographic issue while copying data to a destination buffer without validating its size.

CVE-2025-47400 · Severity: high · CVSS 7.1 · Published 2026-04-06

Cryptographic issue while copying data to a destination buffer without validating its size.

Technologies: Qualcomm Pandeiro, Qualcomm Pandeiro Firmware, Qualcomm Snapdragon 8 Elite Gen 5, Qualcomm Snapdragon 8 Elite Gen 5 Firmware, Qualcomm Wcd9395, Qualcomm Wcd9395 Firmware, Qualcomm Wcn7860, Qualcomm Wcn7860 Firmware, Qualcomm Wcn7861, Qualcomm Wcn7861 Firmware, Qualcomm Wsa8840, Qualcomm Wsa8840 Firmware, Qualcomm Wsa8845, Qualcomm Wsa8845 Firmware, Qualcomm Wsa8845h, Qualcomm Wsa8845h Firmware. Vendors: Qualcomm.

Quick answers

Is CVE-2025-47400 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-47400 being exploited in the wild.
How severe is CVE-2025-47400?
High severity, with a CVSS score of 7.1, published 6 April 2026.
Which products and versions are affected?
Qualcomm Pandeiro, Qualcomm Pandeiro Firmware, Qualcomm Snapdragon 8 Elite Gen 5, Qualcomm Snapdragon 8 Elite Gen 5 Firmware and 18 more. The advisory does not name versions.
Is there a fix for CVE-2025-47400?
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-2025-47400?
Check whether you run Qualcomm Pandeiro, Qualcomm Pandeiro Firmware, Qualcomm Snapdragon 8 Elite Gen 5 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 Pandeiro
  • Qualcomm Pandeiro Firmware
  • Qualcomm Snapdragon 8 Elite Gen 5
  • Qualcomm Snapdragon 8 Elite Gen 5 Firmware
  • Qualcomm Sw6100
  • Qualcomm Sw6100 Firmware
  • Qualcomm Sw6100p
  • Qualcomm Sw6100p Firmware
  • Qualcomm Themisto
  • Qualcomm Themisto Firmware
  • Qualcomm Wcd9395
  • Qualcomm Wcd9395 Firmware
  • Qualcomm Wcn7860
  • Qualcomm Wcn7860 Firmware
  • Qualcomm Wcn7861
  • Qualcomm Wcn7861 Firmware
  • Qualcomm Wsa8840
  • Qualcomm Wsa8840 Firmware
  • Qualcomm Wsa8845
  • Qualcomm Wsa8845 Firmware
  • Qualcomm Wsa8845h
  • Qualcomm Wsa8845h Firmware

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