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

Source: https://junglewise.ai/threats/cve-2025-47400-cryptographic-issue-while-copying-data-to-a-destination-buffer  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-06  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/pandeiro), [Qualcomm Pandeiro Firmware](https://junglewise.ai/threats/technologies/pandeiro-firmware), [Qualcomm Snapdragon 8 Elite Gen 5](https://junglewise.ai/threats/technologies/snapdragon-8-elite), [Qualcomm Snapdragon 8 Elite Gen 5 Firmware](https://junglewise.ai/threats/technologies/snapdragon-8-elite-gen-5-firmware), [Qualcomm Wcd9395](https://junglewise.ai/threats/technologies/wcd9395), [Qualcomm Wcd9395 Firmware](https://junglewise.ai/threats/technologies/wcd9395-firmware), [Qualcomm Wcn7860](https://junglewise.ai/threats/technologies/wcn7860), [Qualcomm Wcn7860 Firmware](https://junglewise.ai/threats/technologies/wcn7860-firmware), [Qualcomm Wcn7861](https://junglewise.ai/threats/technologies/wcn7861), [Qualcomm Wcn7861 Firmware](https://junglewise.ai/threats/technologies/wcn7861-firmware), [Qualcomm Wsa8840](https://junglewise.ai/threats/technologies/wsa8840), [Qualcomm Wsa8840 Firmware](https://junglewise.ai/threats/technologies/wsa8840-firmware), [Qualcomm Wsa8845](https://junglewise.ai/threats/technologies/wsa8845), [Qualcomm Wsa8845 Firmware](https://junglewise.ai/threats/technologies/wsa8845-firmware), [Qualcomm Wsa8845h](https://junglewise.ai/threats/technologies/wsa8845h), [Qualcomm Wsa8845h Firmware](https://junglewise.ai/threats/technologies/wsa8845h-firmware). Vendors: [Qualcomm](https://junglewise.ai/threats/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

## Related threats

- [Qualcomm transient denial of service while parsing frame during channel usage](https://junglewise.ai/threats/cve-2026-25294-qualcomm-transient-denial-of-service-while-parsing-frame-during)
- [Qualcomm component memory corruption in buffer validation](https://junglewise.ai/threats/cve-2026-25290-qualcomm-component-memory-corruption-in-buffer-validation)
- [Qualcomm component use-after-free information disclosure](https://junglewise.ai/threats/cve-2026-25284-qualcomm-component-use-after-free-information-disclosure)
- [Qualcomm buffer overflow in external data handling](https://junglewise.ai/threats/cve-2026-25283-qualcomm-buffer-overflow-in-external-data-handling)
- [Qualcomm component out-of-bounds memory access in data processing](https://junglewise.ai/threats/cve-2026-25282-qualcomm-component-out-of-bounds-memory-access-in-data-processing)