CVE-2022-40520

Memory corruption via undisclosed Core stack overwrite

Published Jan 6, 2023 · Updated Apr 9, 2025

Stack-based buffer overflow in Qualcomm Snapdragon Core allows local users to corrupt memory without privileges or user interaction. Qualcomm identifies the Core component and stack overwrite class but does not disclose the affected routine, input, or unchecked operation. Local execution is required, and public material identifies no more specific consequence than memory corruption.

CVSS severity8.4
High
EPSS probability0.70%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in Qualcomm Snapdragon Core allows local users to corrupt memory without privileges or user interaction. Qualcomm identifies the Core component and stack overwrite class but does not disclose the affected routine, input, or unchecked operation. Local execution is required, and public material identifies no more specific consequence than memory corruption.

The record

CVE
CVE-2022-40520
Published
Jan 6, 2023
Updated
Apr 9, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-787
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=APQ8064AU
  2. Affected versionversion=APQ8096AU
  3. Affected versionversion=AQT1000
  4. Affected versionversion=AR8035
  5. Affected versionversion=CSRB31024
  6. Affected versionversion=FSM10056
  7. Affected versionversion=MDM9150
  8. Affected versionversion=MDM9205
  9. Affected versionversion=MDM9640
  10. Affected versionversion=MDM9650
  11. Affected versionversion=MSM8996AU
  12. Affected versionversion=QAM8295P
  13. Affected versionversion=QCA4004
  14. Affected versionversion=QCA6174A
  15. Affected versionversion=QCA6310
  16. Affected versionversion=QCA6320
  17. Affected versionversion=QCA6335
  18. Affected versionversion=QCA6390
  19. Affected versionversion=QCA6391
  20. Affected versionversion=QCA6420
  21. Affected versionversion=QCA6421
  22. Affected versionversion=QCA6426
  23. Affected versionversion=QCA6430
  24. Affected versionversion=QCA6431
  25. Affected versionversion=QCA6436
  26. Affected versionversion=QCA6564
  27. Affected versionversion=QCA6564A
  28. Affected versionversion=QCA6564AU
  29. Affected versionversion=QCA6574
  30. Affected versionversion=QCA6574A
  31. Affected versionversion=QCA6574AU
  32. Affected versionversion=QCA6584AU
  33. Affected versionversion=QCA6595
  34. Affected versionversion=QCA6595AU
  35. Affected versionversion=QCA6696
  36. Affected versionversion=QCA8081
  37. Affected versionversion=QCA8337
  38. Affected versionversion=QCA9377
  39. Affected versionversion=QCM6490
  40. Affected versionversion=QCN6024
  41. Affected versionversion=QCN9011
  42. Affected versionversion=QCN9012
  43. Affected versionversion=QCN9024
  44. Affected versionversion=QCS410
  45. Affected versionversion=QCS603
  46. Affected versionversion=QCS605
  47. Affected versionversion=QCS610
  48. Affected versionversion=QCS6490
  49. Affected versionversion=QCS8155
  50. Affected versionversion=QCX315
  51. Affected versionversion=QRB5165
  52. Affected versionversion=QRB5165M
  53. Affected versionversion=QRB5165N
  54. Affected versionversion=QSM8250
  55. Affected versionversion=QSM8350
  56. Affected versionversion=SA4150P
  57. Affected versionversion=SA4155P
  58. Affected versionversion=SA415M
  59. Affected versionversion=SA515M
  60. Affected versionversion=SA6145P
  61. Affected versionversion=SA6150P
  62. Affected versionversion=SA6155
  63. Affected versionversion=SA6155P
  64. Affected versionversion=SA8145P
  65. Affected versionversion=SA8150P
  66. Affected versionversion=SA8155
  67. Affected versionversion=SA8155P
  68. Affected versionversion=SA8195P
  69. Affected versionversion=SA8295P
  70. Affected versionversion=SA8540P
  71. Affected versionversion=SA9000P
  72. Affected versionversion=SC8180X+SDX55
  73. Affected versionversion=SD 455
  74. Affected versionversion=SD 636
  75. Affected versionversion=SD660
  76. Affected versionversion=SD670
  77. Affected versionversion=SD675
  78. Affected versionversion=SD 675
  79. Affected versionversion=SD678
  80. Affected versionversion=SD690 5G
  81. Affected versionversion=SD710
  82. Affected versionversion=SD712
  83. Affected versionversion=SD720G
  84. Affected versionversion=SD730
  85. Affected versionversion=SD750G
  86. Affected versionversion=SD765
  87. Affected versionversion=SD765G
  88. Affected versionversion=SD768G
  89. Affected versionversion=SD778G
  90. Affected versionversion=SD780G
  91. Affected versionversion=SD7c
  92. Affected versionversion=SD820
  93. Affected versionversion=SD835
  94. Affected versionversion=SD845
  95. Affected versionversion=SD850
  96. Affected versionversion=SD855
  97. Affected versionversion=SD865 5G
  98. Affected versionversion=SD870
  99. Affected versionversion=SD888
  100. Affected versionversion=SD888 5G
  101. Affected versionversion=SD 8CX
  102. Affected versionversion=SD 8cx Gen2
  103. Affected versionversion=SD 8cx Gen3
  104. Affected versionversion=SD 8 Gen1 5G
  105. Affected versionversion=SDM630
  106. Affected versionversion=SDX24
  107. Affected versionversion=SDX50M
  108. Affected versionversion=SDX55
  109. Affected versionversion=SDX55M
  110. Affected versionversion=SDX65
  111. Affected versionversion=SDXR1
  112. Affected versionversion=SDXR2 5G
  113. Affected versionversion=SM6250
  114. Affected versionversion=SM6250P
  115. Affected versionversion=SM7250P
  116. Affected versionversion=SM7315
  117. Affected versionversion=SM7325P
  118. Affected versionversion=SXR2150P
  119. Affected versionversion=WCD9306
  120. Affected versionversion=WCD9326
  121. Affected versionversion=WCD9335
  122. Affected versionversion=WCD9340
  123. Affected versionversion=WCD9341
  124. Affected versionversion=WCD9360
  125. Affected versionversion=WCD9370
  126. Affected versionversion=WCD9371
  127. Affected versionversion=WCD9375
  128. Affected versionversion=WCD9380
  129. Affected versionversion=WCD9385
  130. Affected versionversion=WCN3950
  131. Affected versionversion=WCN3980
  132. Affected versionversion=WCN3988
  133. Affected versionversion=WCN3990
  134. Affected versionversion=WCN3991
  135. Affected versionversion=WCN3998
  136. Affected versionversion=WCN6740
  137. Affected versionversion=WCN6750
  138. Affected versionversion=WCN6850
  139. Affected versionversion=WCN6851
  140. Affected versionversion=WCN6855
  141. Affected versionversion=WCN6856
  142. Affected versionversion=WCN7850
  143. Affected versionversion=WCN7851
  144. Affected versionversion=WSA8810
  145. Affected versionversion=WSA8815
  146. Affected versionversion=WSA8830
  147. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=APQ8064AU; version=APQ8096AU; version=AQT1000; version=AR8035; version=CSRB31024; version=FSM10056; version=MDM9150; version=MDM9205; version=MDM9640; version=MDM9650; version=MSM8996AU; 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=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA8081; version=QCA8337; version=QCA9377; version=QCM6490; version=QCN6024; version=QCN9011; version=QCN9012; version=QCN9024; version=QCS410; version=QCS603; version=QCS605; version=QCS610; 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=SD 455; version=SD 636; version=SD660; version=SD670; version=SD675; version=SD 675; version=SD678; version=SD690 5G; version=SD710; version=SD712; version=SD720G; version=SD730; version=SD750G; version=SD765; version=SD765G; version=SD768G; version=SD778G; version=SD780G; version=SD7c; version=SD820; 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=SDM630; version=SDX24; version=SDX50M; version=SDX55; version=SDX55M; version=SDX65; version=SDXR1; version=SDXR2 5G; 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=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN3991; version=WCN3998; 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

8.4QualcommCVSS:3.1/AV:L/AC:L/PR:N/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-787Out-of-bounds Write

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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