CVE-2023-33092

Memory corruption via oversized Bluetooth PIN reply

Published Dec 5, 2023 · Updated May 29, 2025

Buffer overflow in Qualcomm Snapdragon Bluetooth HOST allows local users to corrupt memory through an oversized application PIN reply. The pin_reply function in btif/src/bluetooth.cc copies pin_len bytes into a fixed-size bt_pin_code_t buffer without first rejecting lengths above PIN_CODE_LEN. No privileges or user interaction are required, but an attacker must locally reach the application-layer PIN reply path to corrupt Bluetooth HOST memory.

CVSS severity8.4
High
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in Qualcomm Snapdragon Bluetooth HOST allows local users to corrupt memory through an oversized application PIN reply. The pin_reply function in btif/src/bluetooth.cc copies pin_len bytes into a fixed-size bt_pin_code_t buffer without first rejecting lengths above PIN_CODE_LEN. No privileges or user interaction are required, but an attacker must locally reach the application-layer PIN reply path to corrupt Bluetooth HOST memory.

The record

CVE
CVE-2023-33092
Published
Dec 5, 2023
Updated
May 29, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-119, CWE-120
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 5, 2023CVE publishedPublication date reported by the CVE source.
  2. May 29, 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=AQT1000
  2. Affected versionversion=FastConnect 6200
  3. Affected versionversion=FastConnect 6700
  4. Affected versionversion=FastConnect 6800
  5. Affected versionversion=FastConnect 6900
  6. Affected versionversion=FastConnect 7800
  7. Affected versionversion=QCA6310
  8. Affected versionversion=QCA6320
  9. Affected versionversion=QCA6391
  10. Affected versionversion=QCA6420
  11. Affected versionversion=QCA6430
  12. Affected versionversion=QCM4325
  13. Affected versionversion=QCM4490
  14. Affected versionversion=QCM5430
  15. Affected versionversion=QCM6490
  16. Affected versionversion=QCM8550
  17. Affected versionversion=QCS4490
  18. Affected versionversion=QCS5430
  19. Affected versionversion=QCS6490
  20. Affected versionversion=QCS7230
  21. Affected versionversion=QCS8250
  22. Affected versionversion=QCS8550
  23. Affected versionversion=Qualcomm 215 Mobile Platform
  24. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  25. Affected versionversion=Qualcomm Video Collaboration VC5 Platform
  26. Affected versionversion=SD730
  27. Affected versionversion=SD835
  28. Affected versionversion=SD855
  29. Affected versionversion=SD888
  30. Affected versionversion=SG4150P
  31. Affected versionversion=SM6250
  32. Affected versionversion=SM7250P
  33. Affected versionversion=SM7315
  34. Affected versionversion=SM7325P
  35. Affected versionversion=SM8550P
  36. Affected versionversion=Snapdragon 460 Mobile Platform
  37. Affected versionversion=Snapdragon 480 5G Mobile Platform
  38. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  39. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  40. Affected versionversion=Snapdragon 4 Gen 2 Mobile Platform
  41. Affected versionversion=Snapdragon 662 Mobile Platform
  42. Affected versionversion=Snapdragon 680 4G Mobile Platform
  43. Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
  44. Affected versionversion=Snapdragon 690 5G Mobile Platform
  45. Affected versionversion=Snapdragon 695 5G Mobile Platform
  46. Affected versionversion=Snapdragon 720G Mobile Platform
  47. Affected versionversion=Snapdragon 730G Mobile Platform (SM7150-AB)
  48. Affected versionversion=Snapdragon 730 Mobile Platform (SM7150-AA)
  49. Affected versionversion=Snapdragon 732G Mobile Platform (SM7150-AC)
  50. Affected versionversion=Snapdragon 765 5G Mobile Platform (SM7250-AA)
  51. Affected versionversion=Snapdragon 765G 5G Mobile Platform (SM7250-AB)
  52. Affected versionversion=Snapdragon 768G 5G Mobile Platform (SM7250-AC)
  53. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  54. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  55. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  56. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  57. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  58. Affected versionversion=Snapdragon 835 Mobile PC Platform
  59. Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
  60. Affected versionversion=Snapdragon 855 Mobile Platform
  61. Affected versionversion=Snapdragon 865 5G Mobile Platform
  62. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  63. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  64. Affected versionversion=Snapdragon 888 5G Mobile Platform
  65. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  66. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  67. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  68. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  69. Affected versionversion=Snapdragon X55 5G Modem-RF System
  70. Affected versionversion=WCD9326
  71. Affected versionversion=WCD9335
  72. Affected versionversion=WCD9340
  73. Affected versionversion=WCD9341
  74. Affected versionversion=WCD9370
  75. Affected versionversion=WCD9375
  76. Affected versionversion=WCD9380
  77. Affected versionversion=WCD9385
  78. Affected versionversion=WCD9390
  79. Affected versionversion=WCD9395
  80. Affected versionversion=WCN3615
  81. Affected versionversion=WCN3660B
  82. Affected versionversion=WCN3680B
  83. Affected versionversion=WCN3950
  84. Affected versionversion=WCN3980
  85. Affected versionversion=WCN3988
  86. Affected versionversion=WCN3990
  87. Affected versionversion=WCN6740
  88. Affected versionversion=WSA8810
  89. Affected versionversion=WSA8815
  90. Affected versionversion=WSA8830
  91. Affected versionversion=WSA8832
  92. Affected versionversion=WSA8835
  93. Affected versionversion=WSA8840
  94. Affected versionversion=WSA8845
  95. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AQT1000; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=QCA6310; version=QCA6320; version=QCA6391; version=QCA6420; version=QCA6430; version=QCM4325; version=QCM4490; version=QCM5430; version=QCM6490; version=QCM8550; version=QCS4490; version=QCS5430; version=QCS6490; version=QCS7230; version=QCS8250; version=QCS8550; version=Qualcomm 215 Mobile Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Qualcomm Video Collaboration VC5 Platform; version=SD730; version=SD835; version=SD855; version=SD888; version=SG4150P; version=SM6250; version=SM7250P; version=SM7315; version=SM7325P; version=SM8550P; version=Snapdragon 460 Mobile Platform; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 4 Gen 2 Mobile Platform; version=Snapdragon 662 Mobile Platform; version=Snapdragon 680 4G Mobile Platform; version=Snapdragon 685 4G Mobile Platform (SM6225-AD); version=Snapdragon 690 5G Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 720G Mobile Platform; version=Snapdragon 730G Mobile Platform (SM7150-AB); version=Snapdragon 730 Mobile Platform (SM7150-AA); version=Snapdragon 732G Mobile Platform (SM7150-AC); version=Snapdragon 765 5G Mobile Platform (SM7250-AA); version=Snapdragon 765G 5G Mobile Platform (SM7250-AB); version=Snapdragon 768G 5G Mobile Platform (SM7250-AC); version=Snapdragon 778G 5G Mobile Platform; version=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE); version=Snapdragon 780G 5G Mobile Platform; version=Snapdragon 782G Mobile Platform (SM7325-AF); version=Snapdragon 7c+ Gen 3 Compute; version=Snapdragon 835 Mobile PC Platform; version=Snapdragon 855+/860 Mobile Platform (SM8150-AC); version=Snapdragon 855 Mobile Platform; version=Snapdragon 865 5G Mobile Platform; version=Snapdragon 865+ 5G Mobile Platform (SM8250-AB); version=Snapdragon 870 5G Mobile Platform (SM8250-AC); version=Snapdragon 888 5G Mobile Platform; version=Snapdragon 888+ 5G Mobile Platform (SM8350-AC); version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon X55 5G Modem-RF System; version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3615; version=WCN3660B; version=WCN3680B; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

Published CVSS scores

8.4Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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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