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

Source: https://junglewise.ai/threats/cve-2025-47408-memory-corruption-when-another-driver-calls-an-ioctl-with-invalid  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-04  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/fastconnect-6200), [Qualcomm Fastconnect 6200 Firmware](https://junglewise.ai/threats/technologies/fastconnect-6200-firmware), [Qualcomm Fastconnect 6900](https://junglewise.ai/threats/technologies/fastconnect-6900), [Qualcomm Fastconnect 6900 Firmware](https://junglewise.ai/threats/technologies/fastconnect-6900-firmware), [Qualcomm Fastconnect 7800](https://junglewise.ai/threats/technologies/fastconnect-7800), [Qualcomm Fastconnect 7800 Firmware](https://junglewise.ai/threats/technologies/fastconnect-7800-firmware), [Qualcomm Iqx5121](https://junglewise.ai/threats/technologies/iqx5121), [Qualcomm Iqx5121 Firmware](https://junglewise.ai/threats/technologies/iqx5121-firmware), [Qualcomm Iqx7181](https://junglewise.ai/threats/technologies/iqx7181), [Qualcomm Iqx7181 Firmware](https://junglewise.ai/threats/technologies/iqx7181-firmware), [Qualcomm Qca0000](https://junglewise.ai/threats/technologies/qca0000), [Qualcomm Qca0000 Firmware](https://junglewise.ai/threats/technologies/qca0000-firmware), [Qualcomm Sc8380xp](https://junglewise.ai/threats/technologies/sc8380xp), [Qualcomm SC8380XP Firmware](https://junglewise.ai/threats/technologies/sc8380xp-firmware), [Qualcomm Sd865 5g](https://junglewise.ai/threats/technologies/sd865-5g), [Qualcomm Sm6250](https://junglewise.ai/threats/technologies/sm6250), [Qualcomm SM6250 Firmware](https://junglewise.ai/threats/technologies/sm6250-firmware), [Qualcomm Snapdragon XR2 5G](https://junglewise.ai/threats/technologies/snapdragon-xr2-5g), [Qualcomm Wcd9380](https://junglewise.ai/threats/technologies/wcd9380), [Qualcomm Wcd9380 Firmware](https://junglewise.ai/threats/technologies/wcd9380-firmware), [Qualcomm Wcd9385](https://junglewise.ai/threats/technologies/wcd9385), [Qualcomm Wcd9385 Firmware](https://junglewise.ai/threats/technologies/wcd9385-firmware), [Qualcomm Wsa8810](https://junglewise.ai/threats/technologies/wsa8810), [Qualcomm Wsa8810 Firmware](https://junglewise.ai/threats/technologies/wsa8810-firmware), [Qualcomm Wsa8815](https://junglewise.ai/threats/technologies/wsa8815), [Qualcomm Wsa8815 Firmware](https://junglewise.ai/threats/technologies/wsa8815-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-2025-47408 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

## 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)