CVE-2025-27065Network attack vector

Transient denial of service via malformed shared-key descriptor

Published Aug 6, 2025 · Updated Aug 6, 2025

Buffer over-read in Qualcomm Snapdragon WLAN firmware allows remote attackers to cause a transient service interruption using a malformed frame. The firmware reads beyond the shared-key descriptor's valid buffer while parsing the crafted frame. No authentication or user interaction is required; the documented consequence is transient denial of service, not data disclosure or code execution.

CVSS severity7.5
High
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer over-read in Qualcomm Snapdragon WLAN firmware allows remote attackers to cause a transient service interruption using a malformed frame. The firmware reads beyond the shared-key descriptor's valid buffer while parsing the crafted frame. No authentication or user interaction is required; the documented consequence is transient denial of service, not data disclosure or code execution.

The record

CVE
CVE-2025-27065
Published
Aug 6, 2025
Updated
Aug 6, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-126, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 6, 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 6800
  3. Affected versionversion=FastConnect 6900
  4. Affected versionversion=FastConnect 7800
  5. Affected versionversion=Immersive Home 3210 Platform
  6. Affected versionversion=Immersive Home 326 Platform
  7. Affected versionversion=IPQ5300
  8. Affected versionversion=IPQ5302
  9. Affected versionversion=IPQ5312
  10. Affected versionversion=IPQ5332
  11. Affected versionversion=IPQ5424
  12. Affected versionversion=IPQ9008
  13. Affected versionversion=IPQ9048
  14. Affected versionversion=IPQ9554
  15. Affected versionversion=IPQ9570
  16. Affected versionversion=IPQ9574
  17. Affected versionversion=QAM8255P
  18. Affected versionversion=QAM8650P
  19. Affected versionversion=QAM8775P
  20. Affected versionversion=QAMSRV1H
  21. Affected versionversion=QAMSRV1M
  22. Affected versionversion=QCA0000
  23. Affected versionversion=QCA6391
  24. Affected versionversion=QCA6426
  25. Affected versionversion=QCA6436
  26. Affected versionversion=QCA6554A
  27. Affected versionversion=QCA6564AU
  28. Affected versionversion=QCA6574
  29. Affected versionversion=QCA6574A
  30. Affected versionversion=QCA6574AU
  31. Affected versionversion=QCA6584AU
  32. Affected versionversion=QCA6595
  33. Affected versionversion=QCA6595AU
  34. Affected versionversion=QCA6678AQ
  35. Affected versionversion=QCA6688AQ
  36. Affected versionversion=QCA6696
  37. Affected versionversion=QCA6698AQ
  38. Affected versionversion=QCA6777AQ
  39. Affected versionversion=QCA6787AQ
  40. Affected versionversion=QCA6797AQ
  41. Affected versionversion=QCA8075
  42. Affected versionversion=QCA8080
  43. Affected versionversion=QCA8081
  44. Affected versionversion=QCA8082
  45. Affected versionversion=QCA8084
  46. Affected versionversion=QCA8085
  47. Affected versionversion=QCA8101
  48. Affected versionversion=QCA8102
  49. Affected versionversion=QCA8111
  50. Affected versionversion=QCA8112
  51. Affected versionversion=QCA8337
  52. Affected versionversion=QCA8384
  53. Affected versionversion=QCA8385
  54. Affected versionversion=QCA8386
  55. Affected versionversion=QCC2073
  56. Affected versionversion=QCC2076
  57. Affected versionversion=QCC710
  58. Affected versionversion=QCF8000
  59. Affected versionversion=QCF8001
  60. Affected versionversion=QCM8550
  61. Affected versionversion=QCN5124
  62. Affected versionversion=QCN5224
  63. Affected versionversion=QCN6224
  64. Affected versionversion=QCN6274
  65. Affected versionversion=QCN6402
  66. Affected versionversion=QCN6412
  67. Affected versionversion=QCN6422
  68. Affected versionversion=QCN6432
  69. Affected versionversion=QCN9000
  70. Affected versionversion=QCN9011
  71. Affected versionversion=QCN9012
  72. Affected versionversion=QCN9024
  73. Affected versionversion=QCN9074
  74. Affected versionversion=QCN9160
  75. Affected versionversion=QCN9274
  76. Affected versionversion=QCS8550
  77. Affected versionversion=QFW7114
  78. Affected versionversion=QFW7124
  79. Affected versionversion=QMP1000
  80. Affected versionversion=QXM8083
  81. Affected versionversion=SA7255P
  82. Affected versionversion=SA7775P
  83. Affected versionversion=SA8255P
  84. Affected versionversion=SA8620P
  85. Affected versionversion=SA8650P
  86. Affected versionversion=SA8770P
  87. Affected versionversion=SA8775P
  88. Affected versionversion=SA9000P
  89. Affected versionversion=SC8380XP
  90. Affected versionversion=SD865 5G
  91. Affected versionversion=SD 8 Gen1 5G
  92. Affected versionversion=SM6650
  93. Affected versionversion=SM6650P
  94. Affected versionversion=SM7635
  95. Affected versionversion=SM7675
  96. Affected versionversion=SM7675P
  97. Affected versionversion=SM8550P
  98. Affected versionversion=SM8635
  99. Affected versionversion=SM8635P
  100. Affected versionversion=SM8650Q
  101. Affected versionversion=SM8735
  102. Affected versionversion=SM8750
  103. Affected versionversion=SM8750P
  104. Affected versionversion=Snapdragon 865 5G Mobile Platform
  105. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  106. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  107. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  108. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  109. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  110. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  111. Affected versionversion=Snapdragon AR1 Gen 1 Platform
  112. Affected versionversion=Snapdragon AR1 Gen 1 Platform "Luna1"
  113. Affected versionversion=Snapdragon AR2 Gen 1 Platform
  114. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  115. Affected versionversion=Snapdragon X72 5G Modem-RF System
  116. Affected versionversion=Snapdragon X75 5G Modem-RF System
  117. Affected versionversion=Snapdragon XR2 5G Platform
  118. Affected versionversion=SRV1H
  119. Affected versionversion=SRV1M
  120. Affected versionversion=SSG2115P
  121. Affected versionversion=SSG2125P
  122. Affected versionversion=SXR1230P
  123. Affected versionversion=SXR2230P
  124. Affected versionversion=SXR2250P
  125. Affected versionversion=SXR2330P
  126. Affected versionversion=WCD9340
  127. Affected versionversion=WCD9370
  128. Affected versionversion=WCD9375
  129. Affected versionversion=WCD9378
  130. Affected versionversion=WCD9380
  131. Affected versionversion=WCD9385
  132. Affected versionversion=WCD9390
  133. Affected versionversion=WCD9395
  134. Affected versionversion=WCN6450
  135. Affected versionversion=WCN6650
  136. Affected versionversion=WCN6740
  137. Affected versionversion=WCN6755
  138. Affected versionversion=WCN7750
  139. Affected versionversion=WCN7860
  140. Affected versionversion=WCN7861
  141. Affected versionversion=WCN7880
  142. Affected versionversion=WCN7881
  143. Affected versionversion=WSA8810
  144. Affected versionversion=WSA8815
  145. Affected versionversion=WSA8830
  146. Affected versionversion=WSA8832
  147. Affected versionversion=WSA8835
  148. Affected versionversion=WSA8840
  149. Affected versionversion=WSA8845
  150. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=Immersive Home 3210 Platform; version=Immersive Home 326 Platform; version=IPQ5300; version=IPQ5302; version=IPQ5312; version=IPQ5332; version=IPQ5424; version=IPQ9008; version=IPQ9048; version=IPQ9554; version=IPQ9570; version=IPQ9574; version=QAM8255P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA0000; version=QCA6391; version=QCA6426; version=QCA6436; version=QCA6554A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6678AQ; version=QCA6688AQ; version=QCA6696; version=QCA6698AQ; version=QCA6777AQ; version=QCA6787AQ; version=QCA6797AQ; version=QCA8075; version=QCA8080; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8101; version=QCA8102; version=QCA8111; version=QCA8112; version=QCA8337; version=QCA8384; version=QCA8385; version=QCA8386; version=QCC2073; version=QCC2076; version=QCC710; version=QCF8000; version=QCF8001; version=QCM8550; version=QCN5124; version=QCN5224; version=QCN6224; version=QCN6274; version=QCN6402; version=QCN6412; version=QCN6422; version=QCN6432; version=QCN9000; version=QCN9011; version=QCN9012; version=QCN9024; version=QCN9074; version=QCN9160; version=QCN9274; version=QCS8550; version=QFW7114; version=QFW7124; version=QMP1000; version=QXM8083; version=SA7255P; version=SA7775P; version=SA8255P; version=SA8620P; version=SA8650P; version=SA8770P; version=SA8775P; version=SA9000P; version=SC8380XP; version=SD865 5G; version=SD 8 Gen1 5G; version=SM6650; version=SM6650P; version=SM7635; version=SM7675; version=SM7675P; version=SM8550P; version=SM8635; version=SM8635P; version=SM8650Q; version=SM8735; version=SM8750; version=SM8750P; 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 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon 8 Gen 3 Mobile Platform; version=Snapdragon AR1 Gen 1 Platform; version=Snapdragon AR1 Gen 1 Platform "Luna1"; version=Snapdragon AR2 Gen 1 Platform; version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon X72 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=SRV1H; version=SRV1M; version=SSG2115P; version=SSG2125P; version=SXR1230P; version=SXR2230P; version=SXR2250P; version=SXR2330P; version=WCD9340; version=WCD9370; version=WCD9375; version=WCD9378; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN6450; version=WCN6650; version=WCN6740; version=WCN6755; version=WCN7750; 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

7.5Qualcomm, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-126Buffer Over-read
T1499Endpoint Denial of Service

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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