CVE-2023-28562Network attack vector

Memory corruption via oversized remote ESL payload

Published Sep 5, 2023 · Updated Feb 27, 2025

Classic buffer overflow in Qualcomm Snapdragon QESL allows remote attackers to corrupt memory via payloads from a remote ESL device. QESL copies an attacker-controlled payload without checking its size, allowing the destination buffer to be overrun; Qualcomm does not identify the function or buffer. No privileges or user interaction are required, and the record attributes data disclosure, modification, and service interruption without specifying code execution or crash behavior.

CVSS severity9.8
Critical
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Classic buffer overflow in Qualcomm Snapdragon QESL allows remote attackers to corrupt memory via payloads from a remote ESL device. QESL copies an attacker-controlled payload without checking its size, allowing the destination buffer to be overrun; Qualcomm does not identify the function or buffer. No privileges or user interaction are required, and the record attributes data disclosure, modification, and service interruption without specifying code execution or crash behavior.

The record

CVE
CVE-2023-28562
Published
Sep 5, 2023
Updated
Feb 27, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-120, T1210
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 5, 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

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=FastConnect 6200
  3. Affected versionversion=FastConnect 6800
  4. Affected versionversion=QCA6391
  5. Affected versionversion=QCA6420
  6. Affected versionversion=QCA6430
  7. Affected versionversion=QCN7606
  8. Affected versionversion=QCS410
  9. Affected versionversion=QCS610
  10. Affected versionversion=SC8180X+SDX55
  11. Affected versionversion=SD460
  12. Affected versionversion=SD662
  13. Affected versionversion=SD730
  14. Affected versionversion=SD855
  15. Affected versionversion=SDX55
  16. Affected versionversion=SM4125
  17. Affected versionversion=SM6250
  18. Affected versionversion=SM6250P
  19. Affected versionversion=SM7250P
  20. Affected versionversion=Snapdragon 460 Mobile Platform
  21. Affected versionversion=Snapdragon 480 5G Mobile Platform
  22. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  23. Affected versionversion=Snapdragon 662 Mobile Platform
  24. Affected versionversion=Snapdragon 675 Mobile Platform
  25. Affected versionversion=Snapdragon 678 Mobile Platform (SM6150-AC)
  26. Affected versionversion=Snapdragon 690 5G Mobile Platform
  27. Affected versionversion=Snapdragon 695 5G Mobile Platform
  28. Affected versionversion=Snapdragon 720G Mobile Platform
  29. Affected versionversion=Snapdragon 730G Mobile Platform (SM7150-AB)
  30. Affected versionversion=Snapdragon 730 Mobile Platform (SM7150-AA)
  31. Affected versionversion=Snapdragon 732G Mobile Platform (SM7150-AC)
  32. Affected versionversion=Snapdragon 750G 5G Mobile Platform
  33. Affected versionversion=Snapdragon 765 5G Mobile Platform (SM7250-AA)
  34. Affected versionversion=Snapdragon 765G 5G Mobile Platform (SM7250-AB)
  35. Affected versionversion=Snapdragon 768G 5G Mobile Platform (SM7250-AC)
  36. Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
  37. Affected versionversion=Snapdragon 855 Mobile Platform
  38. Affected versionversion=Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite"
  39. Affected versionversion=Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite"
  40. Affected versionversion=Snapdragon 8cx Compute Platform (SC8180X-AA, AB)
  41. Affected versionversion=Snapdragon 8cx Compute Platform (SC8180XP-AC, AF) "Poipu Pro"
  42. Affected versionversion=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro"
  43. Affected versionversion=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA, AB)
  44. Affected versionversion=Snapdragon X50 5G Modem-RF System
  45. Affected versionversion=Snapdragon X55 5G Modem-RF System
  46. Affected versionversion=Vision Intelligence 400 Platform
  47. Affected versionversion=WCD9326
  48. Affected versionversion=WCD9335
  49. Affected versionversion=WCD9340
  50. Affected versionversion=WCD9341
  51. Affected versionversion=WCD9370
  52. Affected versionversion=WCD9375
  53. Affected versionversion=WCD9380
  54. Affected versionversion=WCD9385
  55. Affected versionversion=WCN3910
  56. Affected versionversion=WCN3950
  57. Affected versionversion=WCN3980
  58. Affected versionversion=WCN3988
  59. Affected versionversion=WCN3990
  60. Affected versionversion=WSA8810
  61. Affected versionversion=WSA8815
  62. Affected versionversion=WSA8830
  63. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AQT1000; version=FastConnect 6200; version=FastConnect 6800; version=QCA6391; version=QCA6420; version=QCA6430; version=QCN7606; version=QCS410; version=QCS610; version=SC8180X+SDX55; version=SD460; version=SD662; version=SD730; version=SD855; version=SDX55; version=SM4125; version=SM6250; version=SM6250P; version=SM7250P; version=Snapdragon 460 Mobile Platform; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 662 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 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 855+/860 Mobile Platform (SM8150-AC); version=Snapdragon 855 Mobile Platform; version=Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite"; version=Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite"; version=Snapdragon 8cx Compute Platform (SC8180X-AA, AB); version=Snapdragon 8cx Compute Platform (SC8180XP-AC, AF) "Poipu Pro"; version=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro"; version=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA, AB); version=Snapdragon X50 5G Modem-RF System; version=Snapdragon X55 5G Modem-RF System; version=Vision Intelligence 400 Platform; version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8835

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-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1210Exploitation of Remote Services

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo