CVE-2023-24855Network attack vector

Memory corruption via out-of-range modem pointer offset

Published Oct 3, 2023 · Updated Feb 27, 2025

Memory corruption in the modem of Qualcomm Snapdragon platforms allows remote attackers to cause unspecified impact before AS Security Exchange. The modem processes security-related configuration with an out-of-range pointer offset, corrupting memory before the AS Security Exchange. The network path requires no authentication or user interaction, but Qualcomm has not disclosed the crafted input or resulting operation.

CVSS severity9.8
Critical
EPSS probability0.54%
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 the modem of Qualcomm Snapdragon platforms allows remote attackers to cause unspecified impact before AS Security Exchange. The modem processes security-related configuration with an out-of-range pointer offset, corrupting memory before the AS Security Exchange. The network path requires no authentication or user interaction, but Qualcomm has not disclosed the crafted input or resulting operation.

The record

CVE
CVE-2023-24855
Published
Oct 3, 2023
Updated
Feb 27, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-823
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 3, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 27, 2025Record 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=FastConnect 6200
  3. Affected versionversion=FastConnect 6700
  4. Affected versionversion=FastConnect 6900
  5. Affected versionversion=FastConnect 7800
  6. Affected versionversion=QCA6391
  7. Affected versionversion=QCA8081
  8. Affected versionversion=QCA8337
  9. Affected versionversion=QCC710
  10. Affected versionversion=QCM4490
  11. Affected versionversion=QCM6490
  12. Affected versionversion=QCM8550
  13. Affected versionversion=QCN6024
  14. Affected versionversion=QCN6224
  15. Affected versionversion=QCN6274
  16. Affected versionversion=QCN9024
  17. Affected versionversion=QCS4490
  18. Affected versionversion=QCS6490
  19. Affected versionversion=QCS8550
  20. Affected versionversion=QFW7114
  21. Affected versionversion=QFW7124
  22. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  23. Affected versionversion=SDX57M
  24. Affected versionversion=SG8275P
  25. Affected versionversion=SM7325P
  26. Affected versionversion=SM8550P
  27. Affected versionversion=Snapdragon 480 5G Mobile Platform
  28. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  29. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  30. Affected versionversion=Snapdragon 4 Gen 2 Mobile Platform
  31. Affected versionversion=Snapdragon 695 5G Mobile Platform
  32. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  33. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  34. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  35. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  36. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  37. Affected versionversion=Snapdragon 888 5G Mobile Platform
  38. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  39. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  40. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  41. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  42. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  43. Affected versionversion=Snapdragon X65 5G Modem-RF System
  44. Affected versionversion=Snapdragon X70 Modem-RF System
  45. Affected versionversion=Snapdragon X75 5G Modem-RF System
  46. Affected versionversion=WCD9340
  47. Affected versionversion=WCD9370
  48. Affected versionversion=WCD9375
  49. Affected versionversion=WCD9380
  50. Affected versionversion=WCD9385
  51. Affected versionversion=WCD9390
  52. Affected versionversion=WCD9395
  53. Affected versionversion=WCN3950
  54. Affected versionversion=WCN3988
  55. Affected versionversion=WCN6740
  56. Affected versionversion=WSA8810
  57. Affected versionversion=WSA8815
  58. Affected versionversion=WSA8830
  59. Affected versionversion=WSA8832
  60. Affected versionversion=WSA8835
  61. Affected versionversion=WSA8840
  62. Affected versionversion=WSA8845
  63. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6900; version=FastConnect 7800; version=QCA6391; version=QCA8081; version=QCA8337; version=QCC710; version=QCM4490; version=QCM6490; version=QCM8550; version=QCN6024; version=QCN6224; version=QCN6274; version=QCN9024; version=QCS4490; version=QCS6490; version=QCS8550; version=QFW7114; version=QFW7124; version=Qualcomm Video Collaboration VC3 Platform; version=SDX57M; version=SG8275P; version=SM7325P; version=SM8550P; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 4 Gen 2 Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 778G 5G Mobile Platform; version=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE); version=Snapdragon 780G 5G Mobile Platform; version=Snapdragon 782G Mobile Platform (SM7325-AF); version=Snapdragon 7c+ Gen 3 Compute; version=Snapdragon 888 5G Mobile Platform; version=Snapdragon 888+ 5G Mobile Platform (SM8350-AC); version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8+ Gen 1 Mobile Platform; version=Snapdragon 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X70 Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=WCD9340; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3950; version=WCN3988; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

Published CVSS scores

9.8QualcommCVSS:3.1/AV:N/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-823Use of Out-of-range Pointer Offset

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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