CVE-2023-28553

Local information disclosure via WMI event over-read

Published Nov 7, 2023 · Updated Sep 4, 2024

Buffer over-read in Qualcomm Snapdragon WLAN Host allows local users to disclose memory while processing a WMI event command. The WLAN Host reads beyond the supplied event buffer boundary during command handling, but Qualcomm has not published the responsible function or missing bounds check. Low-privileged local execution is required; exposed memory can contain sensitive data, and the same out-of-bounds read can interrupt WLAN Host operation.

CVSS severity6.1
Medium
EPSS probability0.14%
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 WLAN Host allows local users to disclose memory while processing a WMI event command. The WLAN Host reads beyond the supplied event buffer boundary during command handling, but Qualcomm has not published the responsible function or missing bounds check. Low-privileged local execution is required; exposed memory can contain sensitive data, and the same out-of-bounds read can interrupt WLAN Host operation.

The record

CVE
CVE-2023-28553
Published
Nov 7, 2023
Updated
Sep 4, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-126
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 7, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 4, 2024Record 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=AR8035
  2. Affected versionversion=AR9380
  3. Affected versionversion=CSR8811
  4. Affected versionversion=CSRB31024
  5. Affected versionversion=FastConnect 6200
  6. Affected versionversion=FastConnect 6800
  7. Affected versionversion=FastConnect 6900
  8. Affected versionversion=FastConnect 7800
  9. Affected versionversion=Immersive Home 214 Platform
  10. Affected versionversion=Immersive Home 216 Platform
  11. Affected versionversion=Immersive Home 316 Platform
  12. Affected versionversion=Immersive Home 318 Platform
  13. Affected versionversion=Immersive Home 3210 Platform
  14. Affected versionversion=Immersive Home 326 Platform
  15. Affected versionversion=IPQ4019
  16. Affected versionversion=IPQ4028
  17. Affected versionversion=IPQ4029
  18. Affected versionversion=IPQ5010
  19. Affected versionversion=IPQ5028
  20. Affected versionversion=IPQ6000
  21. Affected versionversion=IPQ6010
  22. Affected versionversion=IPQ6018
  23. Affected versionversion=IPQ6028
  24. Affected versionversion=IPQ8064
  25. Affected versionversion=IPQ8065
  26. Affected versionversion=IPQ8068
  27. Affected versionversion=IPQ8070A
  28. Affected versionversion=IPQ8071A
  29. Affected versionversion=IPQ8072A
  30. Affected versionversion=IPQ8074A
  31. Affected versionversion=IPQ8076
  32. Affected versionversion=IPQ8076A
  33. Affected versionversion=IPQ8078
  34. Affected versionversion=IPQ8078A
  35. Affected versionversion=IPQ8173
  36. Affected versionversion=IPQ8174
  37. Affected versionversion=IPQ9008
  38. Affected versionversion=IPQ9574
  39. Affected versionversion=QAM8295P
  40. Affected versionversion=QCA4024
  41. Affected versionversion=QCA6175A
  42. Affected versionversion=QCA6391
  43. Affected versionversion=QCA6426
  44. Affected versionversion=QCA6436
  45. Affected versionversion=QCA6554A
  46. Affected versionversion=QCA6564AU
  47. Affected versionversion=QCA6574
  48. Affected versionversion=QCA6574A
  49. Affected versionversion=QCA6574AU
  50. Affected versionversion=QCA6584AU
  51. Affected versionversion=QCA6595
  52. Affected versionversion=QCA6595AU
  53. Affected versionversion=QCA6678AQ
  54. Affected versionversion=QCA6696
  55. Affected versionversion=QCA6698AQ
  56. Affected versionversion=QCA7500
  57. Affected versionversion=QCA8075
  58. Affected versionversion=QCA8081
  59. Affected versionversion=QCA8082
  60. Affected versionversion=QCA8084
  61. Affected versionversion=QCA8085
  62. Affected versionversion=QCA8337
  63. Affected versionversion=QCA8386
  64. Affected versionversion=QCA9880
  65. Affected versionversion=QCA9886
  66. Affected versionversion=QCA9888
  67. Affected versionversion=QCA9889
  68. Affected versionversion=QCA9898
  69. Affected versionversion=QCA9980
  70. Affected versionversion=QCA9984
  71. Affected versionversion=QCA9985
  72. Affected versionversion=QCA9990
  73. Affected versionversion=QCA9992
  74. Affected versionversion=QCA9994
  75. Affected versionversion=QCC2073
  76. Affected versionversion=QCC2076
  77. Affected versionversion=QCC710
  78. Affected versionversion=QCF8000
  79. Affected versionversion=QCN5022
  80. Affected versionversion=QCN5024
  81. Affected versionversion=QCN5052
  82. Affected versionversion=QCN5122
  83. Affected versionversion=QCN5124
  84. Affected versionversion=QCN5152
  85. Affected versionversion=QCN5154
  86. Affected versionversion=QCN5164
  87. Affected versionversion=QCN6023
  88. Affected versionversion=QCN6024
  89. Affected versionversion=QCN6112
  90. Affected versionversion=QCN6122
  91. Affected versionversion=QCN6132
  92. Affected versionversion=QCN6224
  93. Affected versionversion=QCN6274
  94. Affected versionversion=QCN9000
  95. Affected versionversion=QCN9022
  96. Affected versionversion=QCN9024
  97. Affected versionversion=QCN9070
  98. Affected versionversion=QCN9072
  99. Affected versionversion=QCN9074
  100. Affected versionversion=QCN9100
  101. Affected versionversion=QCN9274
  102. Affected versionversion=QFW7114
  103. Affected versionversion=QFW7124
  104. Affected versionversion=SA4150P
  105. Affected versionversion=SA4155P
  106. Affected versionversion=SA6145P
  107. Affected versionversion=SA6150P
  108. Affected versionversion=SA6155P
  109. Affected versionversion=SA8145P
  110. Affected versionversion=SA8150P
  111. Affected versionversion=SA8155P
  112. Affected versionversion=SA8195P
  113. Affected versionversion=SA8295P
  114. Affected versionversion=SD865 5G
  115. Affected versionversion=SDX55
  116. Affected versionversion=SDX65M
  117. Affected versionversion=Snapdragon 480 5G Mobile Platform
  118. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  119. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  120. Affected versionversion=Snapdragon 695 5G Mobile Platform
  121. Affected versionversion=Snapdragon 865 5G Mobile Platform
  122. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  123. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  124. Affected versionversion=Snapdragon Auto 4G Modem
  125. Affected versionversion=Snapdragon Auto 5G Modem-RF
  126. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  127. Affected versionversion=Snapdragon X55 5G Modem-RF System
  128. Affected versionversion=Snapdragon X65 5G Modem-RF System
  129. Affected versionversion=Snapdragon X75 5G Modem-RF System
  130. Affected versionversion=Snapdragon XR2 5G Platform
  131. Affected versionversion=SW5100
  132. Affected versionversion=SW5100P
  133. Affected versionversion=SXR2130
  134. Affected versionversion=WCD9340
  135. Affected versionversion=WCD9370
  136. Affected versionversion=WCD9375
  137. Affected versionversion=WCD9380
  138. Affected versionversion=WCD9385
  139. Affected versionversion=WCN3980
  140. Affected versionversion=WCN3988
  141. Affected versionversion=WSA8810
  142. Affected versionversion=WSA8815
  143. Affected versionversion=WSA8830
  144. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=AR9380; version=CSR8811; version=CSRB31024; version=FastConnect 6200; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=Immersive Home 214 Platform; version=Immersive Home 216 Platform; version=Immersive Home 316 Platform; version=Immersive Home 318 Platform; version=Immersive Home 3210 Platform; version=Immersive Home 326 Platform; version=IPQ4019; version=IPQ4028; version=IPQ4029; version=IPQ5010; version=IPQ5028; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8064; version=IPQ8065; version=IPQ8068; version=IPQ8070A; version=IPQ8071A; version=IPQ8072A; version=IPQ8074A; version=IPQ8076; version=IPQ8076A; version=IPQ8078; version=IPQ8078A; version=IPQ8173; version=IPQ8174; version=IPQ9008; version=IPQ9574; version=QAM8295P; version=QCA4024; version=QCA6175A; version=QCA6391; version=QCA6426; version=QCA6436; version=QCA6554A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6678AQ; version=QCA6696; version=QCA6698AQ; version=QCA7500; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8337; version=QCA8386; version=QCA9880; version=QCA9886; version=QCA9888; version=QCA9889; version=QCA9898; version=QCA9980; version=QCA9984; version=QCA9985; version=QCA9990; version=QCA9992; version=QCA9994; version=QCC2073; version=QCC2076; version=QCC710; version=QCF8000; version=QCN5022; version=QCN5024; version=QCN5052; version=QCN5122; version=QCN5124; version=QCN5152; version=QCN5154; version=QCN5164; version=QCN6023; version=QCN6024; version=QCN6112; version=QCN6122; version=QCN6132; version=QCN6224; version=QCN6274; version=QCN9000; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QFW7114; version=QFW7124; version=SA4150P; version=SA4155P; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8295P; version=SD865 5G; version=SDX55; version=SDX65M; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 695 5G 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 Auto 4G Modem; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=SW5100; version=SW5100P; version=SXR2130; version=WCD9340; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3980; version=WCN3988; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8835

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.1Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
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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