CVE-2022-33296

Memory corruption via modem integer overflow

Published Apr 4, 2023 · Updated Aug 3, 2024

Memory corruption in Qualcomm Snapdragon modem firmware allows local users to trigger a buffer overflow with a crafted neighbor-list update. The modem parser incurs an integer overflow while parsing a Traffic Channel Neighbor List Update message, and that arithmetic error leads to a buffer overflow. No privileges or user interaction are required locally, but Qualcomm has not disclosed whether successful memory corruption causes a crash, code execution, or data exposure.

CVSS severity5.9
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

Memory corruption in Qualcomm Snapdragon modem firmware allows local users to trigger a buffer overflow with a crafted neighbor-list update. The modem parser incurs an integer overflow while parsing a Traffic Channel Neighbor List Update message, and that arithmetic error leads to a buffer overflow. No privileges or user interaction are required locally, but Qualcomm has not disclosed whether successful memory corruption causes a crash, code execution, or data exposure.

The record

CVE
CVE-2022-33296
Published
Apr 4, 2023
Updated
Aug 3, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-680
Attack vector
local
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

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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=315 5G IoT Modem
  2. Affected versionversion=APQ8017
  3. Affected versionversion=AQT1000
  4. Affected versionversion=AR8035
  5. Affected versionversion=CSRB31024
  6. Affected versionversion=FastConnect 6200
  7. Affected versionversion=FastConnect 6800
  8. Affected versionversion=FastConnect 6900
  9. Affected versionversion=FastConnect 7800
  10. Affected versionversion=MDM9628
  11. Affected versionversion=QCA6310
  12. Affected versionversion=QCA6320
  13. Affected versionversion=QCA6391
  14. Affected versionversion=QCA6421
  15. Affected versionversion=QCA6426
  16. Affected versionversion=QCA6431
  17. Affected versionversion=QCA6436
  18. Affected versionversion=QCA6564A
  19. Affected versionversion=QCA6564AU
  20. Affected versionversion=QCA6574A
  21. Affected versionversion=QCA6574AU
  22. Affected versionversion=QCA6595AU
  23. Affected versionversion=QCA6696
  24. Affected versionversion=QCA6698AQ
  25. Affected versionversion=QCA8081
  26. Affected versionversion=QCA8337
  27. Affected versionversion=QCM6125
  28. Affected versionversion=QCN6024
  29. Affected versionversion=QCN9024
  30. Affected versionversion=QCS410
  31. Affected versionversion=QCS610
  32. Affected versionversion=QCS6125
  33. Affected versionversion=Qualcomm 205 Mobile Platform
  34. Affected versionversion=Qualcomm 215 Mobile Platform
  35. Affected versionversion=SD670
  36. Affected versionversion=SD675
  37. Affected versionversion=SD 675
  38. Affected versionversion=SD730
  39. Affected versionversion=SD7c
  40. Affected versionversion=SD835
  41. Affected versionversion=SD855
  42. Affected versionversion=SD865 5G
  43. Affected versionversion=SDX55
  44. Affected versionversion=SM6250
  45. Affected versionversion=SM6250P
  46. Affected versionversion=SM7250P
  47. Affected versionversion=Snapdragon 210 Processor
  48. Affected versionversion=Snapdragon 212 Mobile Platform
  49. Affected versionversion=Snapdragon 425 Mobile Platform
  50. Affected versionversion=Snapdragon 429 Mobile Platform
  51. Affected versionversion=Snapdragon 439 Mobile Platform
  52. Affected versionversion=Snapdragon 480 5G Mobile Platform
  53. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  54. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  55. Affected versionversion=Snapdragon 665 Mobile Platform
  56. Affected versionversion=Snapdragon 670 Mobile Platform
  57. Affected versionversion=Snapdragon 675 Mobile Platform
  58. Affected versionversion=Snapdragon 678 Mobile Platform (SM6150-AC)
  59. Affected versionversion=Snapdragon 690 5G Mobile Platform
  60. Affected versionversion=Snapdragon 695 5G Mobile Platform
  61. Affected versionversion=Snapdragon 710 Mobile Platform
  62. Affected versionversion=Snapdragon 712 Mobile Platform
  63. Affected versionversion=Snapdragon 720G Mobile Platform
  64. Affected versionversion=Snapdragon 730G Mobile Platform (SM7150-AB)
  65. Affected versionversion=Snapdragon 730 Mobile Platform (SM7150-AA)
  66. Affected versionversion=Snapdragon 732G Mobile Platform (SM7150-AC)
  67. Affected versionversion=Snapdragon 750G 5G Mobile Platform
  68. Affected versionversion=Snapdragon 765 5G Mobile Platform (SM7250-AA)
  69. Affected versionversion=Snapdragon 765G 5G Mobile Platform (SM7250-AB)
  70. Affected versionversion=Snapdragon 768G 5G Mobile Platform (SM7250-AC)
  71. Affected versionversion=Snapdragon 835 Mobile Platform
  72. Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
  73. Affected versionversion=Snapdragon 855 Mobile Platform
  74. Affected versionversion=Snapdragon 865 5G Mobile Platform
  75. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  76. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  77. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  78. Affected versionversion=Snapdragon Auto 4G Modem
  79. Affected versionversion=Snapdragon Auto 5G Modem-RF
  80. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  81. Affected versionversion=Snapdragon X50 5G Modem-RF System
  82. Affected versionversion=Snapdragon X55 5G Modem-RF System
  83. Affected versionversion=Snapdragon X5 LTE Modem
  84. Affected versionversion=Snapdragon X65 5G Modem-RF System
  85. Affected versionversion=Snapdragon X70 Modem-RF System
  86. Affected versionversion=Snapdragon XR1 Platform
  87. Affected versionversion=Snapdragon XR2 5G Platform
  88. Affected versionversion=SW5100
  89. Affected versionversion=SW5100P
  90. Affected versionversion=SXR1120
  91. Affected versionversion=SXR2130
  92. Affected versionversion=Vision Intelligence 300 Platform
  93. Affected versionversion=Vision Intelligence 400 Platform
  94. Affected versionversion=WCD9326
  95. Affected versionversion=WCD9335
  96. Affected versionversion=WCD9340
  97. Affected versionversion=WCD9341
  98. Affected versionversion=WCD9370
  99. Affected versionversion=WCD9371
  100. Affected versionversion=WCD9375
  101. Affected versionversion=WCD9380
  102. Affected versionversion=WCD9385
  103. Affected versionversion=WCN3610
  104. Affected versionversion=WCN3615
  105. Affected versionversion=WCN3660B
  106. Affected versionversion=WCN3680B
  107. Affected versionversion=WCN3950
  108. Affected versionversion=WCN3980
  109. Affected versionversion=WCN3988
  110. Affected versionversion=WCN3990
  111. Affected versionversion=WSA8810
  112. Affected versionversion=WSA8815
  113. Affected versionversion=WSA8830
  114. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=315 5G IoT Modem; version=APQ8017; version=AQT1000; version=AR8035; version=CSRB31024; version=FastConnect 6200; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=MDM9628; version=QCA6310; version=QCA6320; version=QCA6391; version=QCA6421; version=QCA6426; version=QCA6431; version=QCA6436; version=QCA6564A; version=QCA6564AU; version=QCA6574A; version=QCA6574AU; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA8081; version=QCA8337; version=QCM6125; version=QCN6024; version=QCN9024; version=QCS410; version=QCS610; version=QCS6125; version=Qualcomm 205 Mobile Platform; version=Qualcomm 215 Mobile Platform; version=SD670; version=SD675; version=SD 675; version=SD730; version=SD7c; version=SD835; version=SD855; version=SD865 5G; version=SDX55; version=SM6250; version=SM6250P; version=SM7250P; version=Snapdragon 210 Processor; version=Snapdragon 212 Mobile Platform; version=Snapdragon 425 Mobile Platform; version=Snapdragon 429 Mobile Platform; version=Snapdragon 439 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 665 Mobile Platform; version=Snapdragon 670 Mobile Platform; version=Snapdragon 675 Mobile Platform; version=Snapdragon 678 Mobile Platform (SM6150-AC); version=Snapdragon 690 5G Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 710 Mobile Platform; version=Snapdragon 712 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 835 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 8 Gen 1 Mobile Platform; version=Snapdragon Auto 4G Modem; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon X50 5G Modem-RF System; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X5 LTE Modem; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X70 Modem-RF System; version=Snapdragon XR1 Platform; version=Snapdragon XR2 5G Platform; version=SW5100; version=SW5100P; version=SXR1120; version=SXR2130; version=Vision Intelligence 300 Platform; version=Vision Intelligence 400 Platform; version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9371; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3610; version=WCN3615; version=WCN3660B; version=WCN3680B; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8835

Published CVSS scores

5.9Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/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-680Integer Overflow to 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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