CVE-2022-33260

Memory corruption via oversized USB command

Published Mar 7, 2023 · Updated Aug 3, 2024

Stack-based buffer overflow in Qualcomm Snapdragon Core allows local users to corrupt memory via an oversized USB command. Core places command data received through USB into a stack buffer without adequately rejecting an oversized command, causing memory corruption. Reachability requires local USB command access; successful exploitation can disclose or alter component memory or interrupt operation.

CVSS severity5.9
Medium
EPSS probability0.12%
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 via an oversized USB command. Core places command data received through USB into a stack buffer without adequately rejecting an oversized command, causing memory corruption. Reachability requires local USB command access; successful exploitation can disclose or alter component memory or interrupt operation.

The record

CVE
CVE-2022-33260
Published
Mar 7, 2023
Updated
Aug 3, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-787, CWE-121
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 7, 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=AQT1000
  2. Affected versionversion=QAM8295P
  3. Affected versionversion=QCA6420
  4. Affected versionversion=QCA6430
  5. Affected versionversion=QCA6574AU
  6. Affected versionversion=QCA6595AU
  7. Affected versionversion=QCA6696
  8. Affected versionversion=QCC5100
  9. Affected versionversion=QCS410
  10. Affected versionversion=QCS610
  11. Affected versionversion=QCS8155
  12. Affected versionversion=SA6145P
  13. Affected versionversion=SA6150P
  14. Affected versionversion=SA6155P
  15. Affected versionversion=SA8145P
  16. Affected versionversion=SA8150P
  17. Affected versionversion=SA8155P
  18. Affected versionversion=SA8195P
  19. Affected versionversion=SA8295P
  20. Affected versionversion=SD855
  21. Affected versionversion=SD888 5G
  22. Affected versionversion=SD 8 Gen1 5G
  23. Affected versionversion=SDA429W
  24. Affected versionversion=SW5100
  25. Affected versionversion=SW5100P
  26. Affected versionversion=WCD9341
  27. Affected versionversion=WCD9370
  28. Affected versionversion=WCD9380
  29. Affected versionversion=WCD9385
  30. Affected versionversion=WCN3610
  31. Affected versionversion=WCN3660B
  32. Affected versionversion=WCN3680B
  33. Affected versionversion=WCN3950
  34. Affected versionversion=WCN3980
  35. Affected versionversion=WCN3988
  36. Affected versionversion=WCN3998
  37. Affected versionversion=WCN6850
  38. Affected versionversion=WCN6851
  39. Affected versionversion=WCN6855
  40. Affected versionversion=WCN6856
  41. Affected versionversion=WCN7850
  42. Affected versionversion=WCN7851
  43. Affected versionversion=WSA8810
  44. Affected versionversion=WSA8815
  45. Affected versionversion=WSA8830
  46. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AQT1000; version=QAM8295P; version=QCA6420; version=QCA6430; version=QCA6574AU; version=QCA6595AU; version=QCA6696; version=QCC5100; version=QCS410; version=QCS610; version=QCS8155; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8295P; version=SD855; version=SD888 5G; version=SD 8 Gen1 5G; version=SDA429W; version=SW5100; version=SW5100P; version=WCD9341; version=WCD9370; version=WCD9380; version=WCD9385; version=WCN3610; version=WCN3660B; version=WCN3680B; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3998; version=WCN6850; version=WCN6851; version=WCN6855; version=WCN6856; version=WCN7850; version=WCN7851; 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
7.8NISTCVSS:3.1/AV:L/AC:L/PR:L/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.

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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
CWE-121Stack-based 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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