CVE-2022-40503Network attack vector

Memory disclosure via Bluetooth Host buffer over-read

Published Apr 4, 2023 · Updated Aug 3, 2024

Buffer over-read in Qualcomm Snapdragon Bluetooth Host allows remote attackers to disclose memory contents during A2DP streaming. Qualcomm identifies the locus as Bluetooth Host but has not published the specific parser, buffer, or length check that reads beyond its boundary. An unauthenticated network-reachable attacker must reach an active A2DP streaming path; the documented effects are memory disclosure and limited service interruption.

CVSS severity8.2
High
EPSS probability0.41%
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 Qualcomm Snapdragon Bluetooth Host allows remote attackers to disclose memory contents during A2DP streaming. Qualcomm identifies the locus as Bluetooth Host but has not published the specific parser, buffer, or length check that reads beyond its boundary. An unauthenticated network-reachable attacker must reach an active A2DP streaming path; the documented effects are memory disclosure and limited service interruption.

The record

CVE
CVE-2022-40503
Published
Apr 4, 2023
Updated
Aug 3, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-126
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 4, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=9206 LTE Modem
  2. Affected versionversion=APQ8017
  3. Affected versionversion=APQ8064AU
  4. Affected versionversion=AQT1000
  5. Affected versionversion=AR8031
  6. Affected versionversion=CSRA6620
  7. Affected versionversion=CSRA6640
  8. Affected versionversion=C-V2X 9150
  9. Affected versionversion=FastConnect 6200
  10. Affected versionversion=FastConnect 6700
  11. Affected versionversion=FastConnect 6800
  12. Affected versionversion=FastConnect 6900
  13. Affected versionversion=FastConnect 7800
  14. Affected versionversion=Flight RB5 5G Platform
  15. Affected versionversion=MDM9250
  16. Affected versionversion=MDM9628
  17. Affected versionversion=MDM9650
  18. Affected versionversion=MSM8108
  19. Affected versionversion=MSM8209
  20. Affected versionversion=MSM8608
  21. Affected versionversion=MSM8909W
  22. Affected versionversion=MSM8996AU
  23. Affected versionversion=QAM8295P
  24. Affected versionversion=QCA6174A
  25. Affected versionversion=QCA6310
  26. Affected versionversion=QCA6320
  27. Affected versionversion=QCA6335
  28. Affected versionversion=QCA6391
  29. Affected versionversion=QCA6420
  30. Affected versionversion=QCA6426
  31. Affected versionversion=QCA6430
  32. Affected versionversion=QCA6436
  33. Affected versionversion=QCA6554A
  34. Affected versionversion=QCA6564
  35. Affected versionversion=QCA6564A
  36. Affected versionversion=QCA6564AU
  37. Affected versionversion=QCA6574
  38. Affected versionversion=QCA6574A
  39. Affected versionversion=QCA6574AU
  40. Affected versionversion=QCA6584AU
  41. Affected versionversion=QCA6595
  42. Affected versionversion=QCA6595AU
  43. Affected versionversion=QCA6696
  44. Affected versionversion=QCA8337
  45. Affected versionversion=QCA9367
  46. Affected versionversion=QCA9377
  47. Affected versionversion=QCM2290
  48. Affected versionversion=QCM4290
  49. Affected versionversion=QCM6125
  50. Affected versionversion=QCM6490
  51. Affected versionversion=QCN7606
  52. Affected versionversion=QCN9011
  53. Affected versionversion=QCN9012
  54. Affected versionversion=QCN9074
  55. Affected versionversion=QCS2290
  56. Affected versionversion=QCS410
  57. Affected versionversion=QCS4290
  58. Affected versionversion=QCS610
  59. Affected versionversion=QCS6125
  60. Affected versionversion=QCS6490
  61. Affected versionversion=QRB5165M
  62. Affected versionversion=QRB5165N
  63. Affected versionversion=Qualcomm 205 Mobile Platform
  64. Affected versionversion=Qualcomm 215 Mobile Platform
  65. Affected versionversion=Qualcomm Robotics RB3 Platform
  66. Affected versionversion=Qualcomm Robotics RB5 Platform
  67. Affected versionversion=SA6145P
  68. Affected versionversion=SA6150P
  69. Affected versionversion=SA6155P
  70. Affected versionversion=SA8145P
  71. Affected versionversion=SA8150P
  72. Affected versionversion=SA8155P
  73. Affected versionversion=SA8195P
  74. Affected versionversion=SA8295P
  75. Affected versionversion=SD626
  76. Affected versionversion=SD660
  77. Affected versionversion=SD670
  78. Affected versionversion=SD730
  79. Affected versionversion=SD778G
  80. Affected versionversion=SD835
  81. Affected versionversion=SD855
  82. Affected versionversion=SD865 5G
  83. Affected versionversion=SD888
  84. Affected versionversion=SDM429W
  85. Affected versionversion=SDX20M
  86. Affected versionversion=SDX55
  87. Affected versionversion=SM4125
  88. Affected versionversion=SM6250
  89. Affected versionversion=SM7250P
  90. Affected versionversion=SM7315
  91. Affected versionversion=SM7325P
  92. Affected versionversion=Smart Audio 200 Platform
  93. Affected versionversion=Smart Audio 400 Platform
  94. Affected versionversion=Smart Display 200 Platform (APQ5053-AA)
  95. Affected versionversion=Snapdragon 1200 Wearable Platform
  96. Affected versionversion=Snapdragon 208 Processor
  97. Affected versionversion=Snapdragon 210 Processor
  98. Affected versionversion=Snapdragon 212 Mobile Platform
  99. Affected versionversion=Snapdragon 429 Mobile Platform
  100. Affected versionversion=Snapdragon 460 Mobile Platform
  101. Affected versionversion=Snapdragon 480 5G Mobile Platform
  102. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  103. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  104. Affected versionversion=Snapdragon 625 Mobile Platform
  105. Affected versionversion=Snapdragon 626 Mobile Platform
  106. Affected versionversion=Snapdragon 660 Mobile Platform
  107. Affected versionversion=Snapdragon 662 Mobile Platform
  108. Affected versionversion=Snapdragon 665 Mobile Platform
  109. Affected versionversion=Snapdragon 670 Mobile Platform
  110. Affected versionversion=Snapdragon 675 Mobile Platform
  111. Affected versionversion=Snapdragon 678 Mobile Platform (SM6150-AC)
  112. Affected versionversion=Snapdragon 680 4G Mobile Platform
  113. Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
  114. Affected versionversion=Snapdragon 690 5G Mobile Platform
  115. Affected versionversion=Snapdragon 695 5G Mobile Platform
  116. Affected versionversion=Snapdragon 710 Mobile Platform
  117. Affected versionversion=Snapdragon 720G Mobile Platform
  118. Affected versionversion=Snapdragon 730G Mobile Platform (SM7150-AB)
  119. Affected versionversion=Snapdragon 730 Mobile Platform (SM7150-AA)
  120. Affected versionversion=Snapdragon 732G Mobile Platform (SM7150-AC)
  121. Affected versionversion=Snapdragon 750G 5G Mobile Platform
  122. Affected versionversion=Snapdragon 765 5G Mobile Platform (SM7250-AA)
  123. Affected versionversion=Snapdragon 765G 5G Mobile Platform (SM7250-AB)
  124. Affected versionversion=Snapdragon 768G 5G Mobile Platform (SM7250-AC)
  125. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  126. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  127. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  128. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  129. Affected versionversion=Snapdragon 820 Automotive Platform
  130. Affected versionversion=Snapdragon 835 Mobile Platform
  131. Affected versionversion=Snapdragon 845 Mobile Platform
  132. Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
  133. Affected versionversion=Snapdragon 855 Mobile Platform
  134. Affected versionversion=Snapdragon 865 5G Mobile Platform
  135. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  136. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  137. Affected versionversion=Snapdragon 888 5G Mobile Platform
  138. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  139. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  140. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  141. Affected versionversion=Snapdragon Wear 2100 Platform
  142. Affected versionversion=Snapdragon Wear 2500 Platform
  143. Affected versionversion=Snapdragon Wear 3100 Platform
  144. Affected versionversion=Snapdragon X12 LTE Modem
  145. Affected versionversion=Snapdragon X20 LTE Modem
  146. Affected versionversion=Snapdragon X24 LTE Modem
  147. Affected versionversion=Snapdragon X50 5G Modem-RF System
  148. Affected versionversion=Snapdragon X55 5G Modem-RF System
  149. Affected versionversion=Snapdragon X5 LTE Modem
  150. Affected versionversion=Snapdragon XR1 Platform
  151. Affected versionversion=Snapdragon XR2 5G Platform
  152. Affected versionversion=Snapdragon XR2+ Gen 1 Platform
  153. Affected versionversion=SW5100
  154. Affected versionversion=SW5100P
  155. Affected versionversion=SXR1120
  156. Affected versionversion=SXR2130
  157. Affected versionversion=Vision Intelligence 100 Platform (APQ8053-AA)
  158. Affected versionversion=Vision Intelligence 200 Platform (APQ8053-AC)
  159. Affected versionversion=Vision Intelligence 400 Platform
  160. Affected versionversion=WCD9326
  161. Affected versionversion=WCD9330
  162. Affected versionversion=WCD9335
  163. Affected versionversion=WCD9340
  164. Affected versionversion=WCD9341
  165. Affected versionversion=WCD9370
  166. Affected versionversion=WCD9375
  167. Affected versionversion=WCD9380
  168. Affected versionversion=WCD9385
  169. Affected versionversion=WCN3610
  170. Affected versionversion=WCN3615
  171. Affected versionversion=WCN3620
  172. Affected versionversion=WCN3660B
  173. Affected versionversion=WCN3680
  174. Affected versionversion=WCN3680B
  175. Affected versionversion=WCN3910
  176. Affected versionversion=WCN3950
  177. Affected versionversion=WCN3980
  178. Affected versionversion=WCN3988
  179. Affected versionversion=WCN3990
  180. Affected versionversion=WCN6740
  181. Affected versionversion=WSA8810
  182. Affected versionversion=WSA8815
  183. Affected versionversion=WSA8830
  184. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=9206 LTE Modem; version=APQ8017; version=APQ8064AU; version=AQT1000; version=AR8031; version=CSRA6620; version=CSRA6640; version=C-V2X 9150; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=Flight RB5 5G Platform; version=MDM9250; version=MDM9628; version=MDM9650; version=MSM8108; version=MSM8209; version=MSM8608; version=MSM8909W; version=MSM8996AU; version=QAM8295P; version=QCA6174A; version=QCA6310; version=QCA6320; version=QCA6335; version=QCA6391; version=QCA6420; version=QCA6426; version=QCA6430; version=QCA6436; version=QCA6554A; version=QCA6564; version=QCA6564A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA8337; version=QCA9367; version=QCA9377; version=QCM2290; version=QCM4290; version=QCM6125; version=QCM6490; version=QCN7606; version=QCN9011; version=QCN9012; version=QCN9074; version=QCS2290; version=QCS410; version=QCS4290; version=QCS610; version=QCS6125; version=QCS6490; version=QRB5165M; version=QRB5165N; version=Qualcomm 205 Mobile Platform; version=Qualcomm 215 Mobile Platform; version=Qualcomm Robotics RB3 Platform; version=Qualcomm Robotics RB5 Platform; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8295P; version=SD626; version=SD660; version=SD670; version=SD730; version=SD778G; version=SD835; version=SD855; version=SD865 5G; version=SD888; version=SDM429W; version=SDX20M; version=SDX55; version=SM4125; version=SM6250; version=SM7250P; version=SM7315; version=SM7325P; version=Smart Audio 200 Platform; version=Smart Audio 400 Platform; version=Smart Display 200 Platform (APQ5053-AA); version=Snapdragon 1200 Wearable Platform; version=Snapdragon 208 Processor; version=Snapdragon 210 Processor; version=Snapdragon 212 Mobile Platform; version=Snapdragon 429 Mobile Platform; 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 625 Mobile Platform; version=Snapdragon 626 Mobile Platform; version=Snapdragon 660 Mobile Platform; version=Snapdragon 662 Mobile Platform; version=Snapdragon 665 Mobile Platform; version=Snapdragon 670 Mobile Platform; version=Snapdragon 675 Mobile Platform; version=Snapdragon 678 Mobile Platform (SM6150-AC); 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 710 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 750G 5G Mobile Platform; 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 820 Automotive Platform; version=Snapdragon 835 Mobile Platform; version=Snapdragon 845 Mobile 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 W5+ Gen 1 Wearable Platform; version=Snapdragon Wear 2100 Platform; version=Snapdragon Wear 2500 Platform; version=Snapdragon Wear 3100 Platform; version=Snapdragon X12 LTE Modem; version=Snapdragon X20 LTE Modem; version=Snapdragon X24 LTE Modem; version=Snapdragon X50 5G Modem-RF System; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X5 LTE Modem; version=Snapdragon XR1 Platform; version=Snapdragon XR2 5G Platform; version=Snapdragon XR2+ Gen 1 Platform; version=SW5100; version=SW5100P; version=SXR1120; version=SXR2130; version=Vision Intelligence 100 Platform (APQ8053-AA); version=Vision Intelligence 200 Platform (APQ8053-AC); version=Vision Intelligence 400 Platform; version=WCD9326; version=WCD9330; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3610; version=WCN3615; version=WCN3620; version=WCN3660B; version=WCN3680; version=WCN3680B; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8835

Published CVSS scores

8.2Qualcomm, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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

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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