CVE-2025-21450Network attack vector

Unauthenticated download disclosure and tampering via insecure connection

Published Jul 8, 2025 · Updated Jul 8, 2025

Improper authentication in Qualcomm Snapdragon GPS_GNSS allows remote attackers to read or alter downloads over an insecure connection. The closed-source GPS_GNSS component uses an insecure connection method while downloading, but Qualcomm has not disclosed the protocol, endpoint, or missing authentication check. No privileges or user interaction are required; successful exploitation compromises downloaded data without interrupting service.

CVSS severity9.1
Critical
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in Qualcomm Snapdragon GPS_GNSS allows remote attackers to read or alter downloads over an insecure connection. The closed-source GPS_GNSS component uses an insecure connection method while downloading, but Qualcomm has not disclosed the protocol, endpoint, or missing authentication check. No privileges or user interaction are required; successful exploitation compromises downloaded data without interrupting service.

The record

CVE
CVE-2025-21450
Published
Jul 8, 2025
Updated
Jul 8, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-287, CWE-863
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 8, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 8, 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=AR8035
  2. Affected versionversion=FastConnect 6200
  3. Affected versionversion=FastConnect 6700
  4. Affected versionversion=FastConnect 6900
  5. Affected versionversion=FastConnect 7800
  6. Affected versionversion=QCA6174A
  7. Affected versionversion=QCA6391
  8. Affected versionversion=QCA6574A
  9. Affected versionversion=QCA6574AU
  10. Affected versionversion=QCA6584AU
  11. Affected versionversion=QCA6595AU
  12. Affected versionversion=QCA6678AQ
  13. Affected versionversion=QCA6688AQ
  14. Affected versionversion=QCA6696
  15. Affected versionversion=QCA6698AQ
  16. Affected versionversion=QCA6698AU
  17. Affected versionversion=QCA6797AQ
  18. Affected versionversion=QCA8081
  19. Affected versionversion=QCA8337
  20. Affected versionversion=QCC710
  21. Affected versionversion=QCM4490
  22. Affected versionversion=QCM5430
  23. Affected versionversion=QCM6490
  24. Affected versionversion=QCM8550
  25. Affected versionversion=QCN6024
  26. Affected versionversion=QCN6224
  27. Affected versionversion=QCN6274
  28. Affected versionversion=QCN9011
  29. Affected versionversion=QCN9012
  30. Affected versionversion=QCN9024
  31. Affected versionversion=QCS4490
  32. Affected versionversion=QCS5430
  33. Affected versionversion=QCS6490
  34. Affected versionversion=QCS8550
  35. Affected versionversion=QEP8111
  36. Affected versionversion=QFW7114
  37. Affected versionversion=QFW7124
  38. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  39. Affected versionversion=SD 8 Gen1 5G
  40. Affected versionversion=SDX55
  41. Affected versionversion=SDX61
  42. Affected versionversion=SDX80M
  43. Affected versionversion=SG8275P
  44. Affected versionversion=SM4635
  45. Affected versionversion=SM6370
  46. Affected versionversion=SM6650
  47. Affected versionversion=SM6650P
  48. Affected versionversion=SM7325P
  49. Affected versionversion=SM7635
  50. Affected versionversion=SM7635P
  51. Affected versionversion=SM7675
  52. Affected versionversion=SM7675P
  53. Affected versionversion=SM8635
  54. Affected versionversion=SM8635P
  55. Affected versionversion=SM8650Q
  56. Affected versionversion=SM8750
  57. Affected versionversion=SM8750P
  58. Affected versionversion=Snapdragon 480 5G Mobile Platform
  59. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  60. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  61. Affected versionversion=Snapdragon 695 5G Mobile Platform
  62. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  63. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  64. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  65. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  66. Affected versionversion=Snapdragon 888 5G Mobile Platform
  67. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  68. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  69. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  70. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  71. Affected versionversion=Snapdragon Auto 5G Modem-RF
  72. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  73. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  74. Affected versionversion=Snapdragon X32 5G Modem-RF System
  75. Affected versionversion=Snapdragon X35 5G Modem-RF System
  76. Affected versionversion=Snapdragon X62 5G Modem-RF System
  77. Affected versionversion=Snapdragon X65 5G Modem-RF System
  78. Affected versionversion=Snapdragon X72 5G Modem-RF System
  79. Affected versionversion=Snapdragon X75 5G Modem-RF System
  80. Affected versionversion=SW5100
  81. Affected versionversion=SW5100P
  82. Affected versionversion=WCD9340
  83. Affected versionversion=WCD9360
  84. Affected versionversion=WCD9370
  85. Affected versionversion=WCD9375
  86. Affected versionversion=WCD9378
  87. Affected versionversion=WCD9380
  88. Affected versionversion=WCD9385
  89. Affected versionversion=WCD9390
  90. Affected versionversion=WCD9395
  91. Affected versionversion=WCN3950
  92. Affected versionversion=WCN3980
  93. Affected versionversion=WCN3988
  94. Affected versionversion=WCN6450
  95. Affected versionversion=WCN6650
  96. Affected versionversion=WCN6755
  97. Affected versionversion=WCN7860
  98. Affected versionversion=WCN7861
  99. Affected versionversion=WCN7880
  100. Affected versionversion=WCN7881
  101. Affected versionversion=WSA8810
  102. Affected versionversion=WSA8815
  103. Affected versionversion=WSA8830
  104. Affected versionversion=WSA8832
  105. Affected versionversion=WSA8835
  106. Affected versionversion=WSA8840
  107. Affected versionversion=WSA8845
  108. 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=QCA6174A; version=QCA6391; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595AU; version=QCA6678AQ; version=QCA6688AQ; version=QCA6696; version=QCA6698AQ; version=QCA6698AU; version=QCA6797AQ; version=QCA8081; version=QCA8337; version=QCC710; version=QCM4490; version=QCM5430; version=QCM6490; version=QCM8550; version=QCN6024; version=QCN6224; version=QCN6274; version=QCN9011; version=QCN9012; version=QCN9024; version=QCS4490; version=QCS5430; version=QCS6490; version=QCS8550; version=QEP8111; version=QFW7114; version=QFW7124; version=Qualcomm Video Collaboration VC3 Platform; version=SD 8 Gen1 5G; version=SDX55; version=SDX61; version=SDX80M; version=SG8275P; version=SM4635; version=SM6370; version=SM6650; version=SM6650P; version=SM7325P; version=SM7635; version=SM7635P; version=SM7675; version=SM7675P; version=SM8635; version=SM8635P; version=SM8650Q; version=SM8750; version=SM8750P; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 778G 5G Mobile Platform; version=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE); 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 3 Mobile Platform; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon X32 5G Modem-RF System; version=Snapdragon X35 5G Modem-RF System; version=Snapdragon X62 5G Modem-RF System; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X72 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=SW5100; version=SW5100P; version=WCD9340; version=WCD9360; version=WCD9370; version=WCD9375; version=WCD9378; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN6450; version=WCN6650; version=WCN6755; version=WCN7860; version=WCN7861; version=WCN7880; version=WCN7881; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

Published CVSS scores

9.1Qualcomm, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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-287Improper Authentication
CWE-863Incorrect Authorization

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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