CVE-2022-40518

Local memory disclosure via Core buffer overread

Published Jan 6, 2023 · Updated Apr 9, 2025

Information disclosure in Qualcomm Snapdragon Core components allows local users to read memory through a buffer overread. Qualcomm identifies the locus only as Core and does not disclose the buffer, input, or length operation that reads past its boundary. No privileges or user interaction are required after local access is obtained; exposed memory is the bounded confidentiality consequence, and the vendor score also records limited availability impact.

CVSS severity6.8
Medium
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Qualcomm Snapdragon Core components allows local users to read memory through a buffer overread. Qualcomm identifies the locus only as Core and does not disclose the buffer, input, or length operation that reads past its boundary. No privileges or user interaction are required after local access is obtained; exposed memory is the bounded confidentiality consequence, and the vendor score also records limited availability impact.

The record

CVE
CVE-2022-40518
Published
Jan 6, 2023
Updated
Apr 9, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-125
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 9, 2025Record 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=AQT1000
  2. Affected versionversion=AR8031
  3. Affected versionversion=AR8035
  4. Affected versionversion=CSRA6620
  5. Affected versionversion=CSRA6640
  6. Affected versionversion=CSRB31024
  7. Affected versionversion=FSM10056
  8. Affected versionversion=MDM9150
  9. Affected versionversion=MDM9205
  10. Affected versionversion=QAM8295P
  11. Affected versionversion=QCA4004
  12. Affected versionversion=QCA6174A
  13. Affected versionversion=QCA6310
  14. Affected versionversion=QCA6320
  15. Affected versionversion=QCA6335
  16. Affected versionversion=QCA6390
  17. Affected versionversion=QCA6391
  18. Affected versionversion=QCA6420
  19. Affected versionversion=QCA6421
  20. Affected versionversion=QCA6426
  21. Affected versionversion=QCA6430
  22. Affected versionversion=QCA6431
  23. Affected versionversion=QCA6436
  24. Affected versionversion=QCA6564
  25. Affected versionversion=QCA6564A
  26. Affected versionversion=QCA6564AU
  27. Affected versionversion=QCA6574
  28. Affected versionversion=QCA6574A
  29. Affected versionversion=QCA6574AU
  30. Affected versionversion=QCA6595
  31. Affected versionversion=QCA6595AU
  32. Affected versionversion=QCA6696
  33. Affected versionversion=QCA8081
  34. Affected versionversion=QCA8337
  35. Affected versionversion=QCA9377
  36. Affected versionversion=QCA9984
  37. Affected versionversion=QCM2290
  38. Affected versionversion=QCM4290
  39. Affected versionversion=QCM6125
  40. Affected versionversion=QCM6490
  41. Affected versionversion=QCN6024
  42. Affected versionversion=QCN7606
  43. Affected versionversion=QCN9011
  44. Affected versionversion=QCN9012
  45. Affected versionversion=QCN9024
  46. Affected versionversion=QCN9074
  47. Affected versionversion=QCS2290
  48. Affected versionversion=QCS405
  49. Affected versionversion=QCS410
  50. Affected versionversion=QCS4290
  51. Affected versionversion=QCS603
  52. Affected versionversion=QCS605
  53. Affected versionversion=QCS610
  54. Affected versionversion=QCS6125
  55. Affected versionversion=QCS6490
  56. Affected versionversion=QCS8155
  57. Affected versionversion=QCX315
  58. Affected versionversion=QRB5165
  59. Affected versionversion=QRB5165M
  60. Affected versionversion=QRB5165N
  61. Affected versionversion=QSM8250
  62. Affected versionversion=QSM8350
  63. Affected versionversion=SA4150P
  64. Affected versionversion=SA4155P
  65. Affected versionversion=SA415M
  66. Affected versionversion=SA515M
  67. Affected versionversion=SA6145P
  68. Affected versionversion=SA6150P
  69. Affected versionversion=SA6155
  70. Affected versionversion=SA6155P
  71. Affected versionversion=SA8145P
  72. Affected versionversion=SA8150P
  73. Affected versionversion=SA8155
  74. Affected versionversion=SA8155P
  75. Affected versionversion=SA8195P
  76. Affected versionversion=SA8295P
  77. Affected versionversion=SA8540P
  78. Affected versionversion=SA9000P
  79. Affected versionversion=SC8180X+SDX55
  80. Affected versionversion=SD460
  81. Affected versionversion=SD480
  82. Affected versionversion=SD660
  83. Affected versionversion=SD662
  84. Affected versionversion=SD665
  85. Affected versionversion=SD670
  86. Affected versionversion=SD675
  87. Affected versionversion=SD 675
  88. Affected versionversion=SD678
  89. Affected versionversion=SD680
  90. Affected versionversion=SD690 5G
  91. Affected versionversion=SD695
  92. Affected versionversion=SD710
  93. Affected versionversion=SD712
  94. Affected versionversion=SD720G
  95. Affected versionversion=SD730
  96. Affected versionversion=SD750G
  97. Affected versionversion=SD765
  98. Affected versionversion=SD765G
  99. Affected versionversion=SD768G
  100. Affected versionversion=SD778G
  101. Affected versionversion=SD780G
  102. Affected versionversion=SD7c
  103. Affected versionversion=SD835
  104. Affected versionversion=SD845
  105. Affected versionversion=SD850
  106. Affected versionversion=SD855
  107. Affected versionversion=SD865 5G
  108. Affected versionversion=SD870
  109. Affected versionversion=SD888
  110. Affected versionversion=SD888 5G
  111. Affected versionversion=SD 8CX
  112. Affected versionversion=SD 8cx Gen2
  113. Affected versionversion=SD 8cx Gen3
  114. Affected versionversion=SD 8 Gen1 5G
  115. Affected versionversion=SDX24
  116. Affected versionversion=SDX50M
  117. Affected versionversion=SDX55
  118. Affected versionversion=SDX55M
  119. Affected versionversion=SDX65
  120. Affected versionversion=SDXR1
  121. Affected versionversion=SDXR2 5G
  122. Affected versionversion=SM4125
  123. Affected versionversion=SM4375
  124. Affected versionversion=SM6250
  125. Affected versionversion=SM6250P
  126. Affected versionversion=SM7250P
  127. Affected versionversion=SM7315
  128. Affected versionversion=SM7325P
  129. Affected versionversion=SXR2150P
  130. Affected versionversion=WCD9306
  131. Affected versionversion=WCD9326
  132. Affected versionversion=WCD9335
  133. Affected versionversion=WCD9340
  134. Affected versionversion=WCD9341
  135. Affected versionversion=WCD9360
  136. Affected versionversion=WCD9370
  137. Affected versionversion=WCD9371
  138. Affected versionversion=WCD9375
  139. Affected versionversion=WCD9380
  140. Affected versionversion=WCD9385
  141. Affected versionversion=WCN3910
  142. Affected versionversion=WCN3950
  143. Affected versionversion=WCN3980
  144. Affected versionversion=WCN3988
  145. Affected versionversion=WCN3990
  146. Affected versionversion=WCN3991
  147. Affected versionversion=WCN3998
  148. Affected versionversion=WCN3999
  149. Affected versionversion=WCN6740
  150. Affected versionversion=WCN6750
  151. Affected versionversion=WCN6850
  152. Affected versionversion=WCN6851
  153. Affected versionversion=WCN6855
  154. Affected versionversion=WCN6856
  155. Affected versionversion=WCN7850
  156. Affected versionversion=WCN7851
  157. Affected versionversion=WSA8810
  158. Affected versionversion=WSA8815
  159. Affected versionversion=WSA8830
  160. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AQT1000; version=AR8031; version=AR8035; version=CSRA6620; version=CSRA6640; version=CSRB31024; version=FSM10056; version=MDM9150; version=MDM9205; version=QAM8295P; version=QCA4004; version=QCA6174A; version=QCA6310; version=QCA6320; version=QCA6335; version=QCA6390; version=QCA6391; version=QCA6420; version=QCA6421; version=QCA6426; version=QCA6430; version=QCA6431; version=QCA6436; version=QCA6564; version=QCA6564A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA8081; version=QCA8337; version=QCA9377; version=QCA9984; version=QCM2290; version=QCM4290; version=QCM6125; version=QCM6490; version=QCN6024; version=QCN7606; version=QCN9011; version=QCN9012; version=QCN9024; version=QCN9074; version=QCS2290; version=QCS405; version=QCS410; version=QCS4290; version=QCS603; version=QCS605; version=QCS610; version=QCS6125; version=QCS6490; version=QCS8155; version=QCX315; version=QRB5165; version=QRB5165M; version=QRB5165N; version=QSM8250; version=QSM8350; version=SA4150P; version=SA4155P; version=SA415M; version=SA515M; version=SA6145P; version=SA6150P; version=SA6155; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155; version=SA8155P; version=SA8195P; version=SA8295P; version=SA8540P; version=SA9000P; version=SC8180X+SDX55; version=SD460; version=SD480; version=SD660; version=SD662; version=SD665; version=SD670; version=SD675; version=SD 675; version=SD678; version=SD680; version=SD690 5G; version=SD695; version=SD710; version=SD712; version=SD720G; version=SD730; version=SD750G; version=SD765; version=SD765G; version=SD768G; version=SD778G; version=SD780G; version=SD7c; version=SD835; version=SD845; version=SD850; version=SD855; version=SD865 5G; version=SD870; version=SD888; version=SD888 5G; version=SD 8CX; version=SD 8cx Gen2; version=SD 8cx Gen3; version=SD 8 Gen1 5G; version=SDX24; version=SDX50M; version=SDX55; version=SDX55M; version=SDX65; version=SDXR1; version=SDXR2 5G; version=SM4125; version=SM4375; version=SM6250; version=SM6250P; version=SM7250P; version=SM7315; version=SM7325P; version=SXR2150P; version=WCD9306; version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9371; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN3991; version=WCN3998; version=WCN3999; version=WCN6740; version=WCN6750; version=WCN6850; version=WCN6851; version=WCN6855; version=WCN6856; version=WCN7850; version=WCN7851; 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
6.8Qualcomm, Inc.CVSS:3.1/AV:L/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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds 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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