CVE-2025-27029Network attack vector

Transient service interruption via tone response over-read

Published Jun 3, 2025 · Updated Jun 3, 2025

Buffer over-read in the WLAN HAL in Qualcomm Snapdragon allows remote attackers to interrupt service via a malformed tone measurement response. While processing that response, the HAL reads beyond valid response-buffer bounds instead of rejecting the out-of-range condition. The path is network-reachable without privileges or user interaction, and the resulting denial of service is transient rather than persistent.

CVSS severity7.5
High
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer over-read in the WLAN HAL in Qualcomm Snapdragon allows remote attackers to interrupt service via a malformed tone measurement response. While processing that response, the HAL reads beyond valid response-buffer bounds instead of rejecting the out-of-range condition. The path is network-reachable without privileges or user interaction, and the resulting denial of service is transient rather than persistent.

The record

CVE
CVE-2025-27029
Published
Jun 3, 2025
Updated
Jun 3, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-126, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 3, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 3, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=FastConnect 7800
  2. Affected versionversion=Immersive Home 3210 Platform
  3. Affected versionversion=Immersive Home 326 Platform
  4. Affected versionversion=IPQ5300
  5. Affected versionversion=IPQ5302
  6. Affected versionversion=IPQ5312
  7. Affected versionversion=IPQ5332
  8. Affected versionversion=IPQ5424
  9. Affected versionversion=IPQ9008
  10. Affected versionversion=IPQ9048
  11. Affected versionversion=IPQ9554
  12. Affected versionversion=IPQ9570
  13. Affected versionversion=IPQ9574
  14. Affected versionversion=QCA0000
  15. Affected versionversion=QCA8075
  16. Affected versionversion=QCA8080
  17. Affected versionversion=QCA8081
  18. Affected versionversion=QCA8082
  19. Affected versionversion=QCA8084
  20. Affected versionversion=QCA8085
  21. Affected versionversion=QCA8101
  22. Affected versionversion=QCA8102
  23. Affected versionversion=QCA8111
  24. Affected versionversion=QCA8112
  25. Affected versionversion=QCA8384
  26. Affected versionversion=QCA8385
  27. Affected versionversion=QCA8386
  28. Affected versionversion=QCF8000
  29. Affected versionversion=QCF8001
  30. Affected versionversion=QCN5124
  31. Affected versionversion=QCN5224
  32. Affected versionversion=QCN6402
  33. Affected versionversion=QCN6412
  34. Affected versionversion=QCN6422
  35. Affected versionversion=QCN6432
  36. Affected versionversion=QCN9000
  37. Affected versionversion=QCN9012
  38. Affected versionversion=QCN9024
  39. Affected versionversion=QCN9074
  40. Affected versionversion=QCN9160
  41. Affected versionversion=QCN9274
  42. Affected versionversion=QMP1000
  43. Affected versionversion=QXM8083
  44. Affected versionversion=SM6650
  45. Affected versionversion=SM6650P
  46. Affected versionversion=SM7635
  47. Affected versionversion=SM8735
  48. Affected versionversion=SM8750
  49. Affected versionversion=SM8750P
  50. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  51. Affected versionversion=WCD9378
  52. Affected versionversion=WCD9390
  53. Affected versionversion=WCD9395
  54. Affected versionversion=WCN6450
  55. Affected versionversion=WCN6650
  56. Affected versionversion=WCN6755
  57. Affected versionversion=WCN7750
  58. Affected versionversion=WCN7860
  59. Affected versionversion=WCN7861
  60. Affected versionversion=WCN7880
  61. Affected versionversion=WCN7881
  62. Affected versionversion=WSA8830
  63. Affected versionversion=WSA8832
  64. Affected versionversion=WSA8835
  65. Affected versionversion=WSA8840
  66. Affected versionversion=WSA8845
  67. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=FastConnect 7800; version=Immersive Home 3210 Platform; version=Immersive Home 326 Platform; version=IPQ5300; version=IPQ5302; version=IPQ5312; version=IPQ5332; version=IPQ5424; version=IPQ9008; version=IPQ9048; version=IPQ9554; version=IPQ9570; version=IPQ9574; version=QCA0000; version=QCA8075; version=QCA8080; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8101; version=QCA8102; version=QCA8111; version=QCA8112; version=QCA8384; version=QCA8385; version=QCA8386; version=QCF8000; version=QCF8001; version=QCN5124; version=QCN5224; version=QCN6402; version=QCN6412; version=QCN6422; version=QCN6432; version=QCN9000; version=QCN9012; version=QCN9024; version=QCN9074; version=QCN9160; version=QCN9274; version=QMP1000; version=QXM8083; version=SM6650; version=SM6650P; version=SM7635; version=SM8735; version=SM8750; version=SM8750P; version=Snapdragon 8 Gen 3 Mobile Platform; version=WCD9378; version=WCD9390; version=WCD9395; version=WCN6450; version=WCN6650; version=WCN6755; version=WCN7750; version=WCN7860; version=WCN7861; version=WCN7880; version=WCN7881; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

Published CVSS scores

7.5Qualcomm, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-126Buffer Over-read
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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