CVE-2025-27052

Memory corruption via oversized Unix-client packets

Published Jul 8, 2025 · Updated Jul 8, 2025

Buffer overflow in Qualcomm Snapdragon diag allows local users to corrupt memory through crafted packets from a Unix client. The diag service copies packet data supplied by Unix clients without checking the input size, allowing the copy to overrun its destination buffer. A local low-privileged Unix client is required; successful exploitation corrupts diag memory, while Qualcomm has not published the resulting control-flow behavior.

CVSS severity7.8
High
EPSS probability0.09%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in Qualcomm Snapdragon diag allows local users to corrupt memory through crafted packets from a Unix client. The diag service copies packet data supplied by Unix clients without checking the input size, allowing the copy to overrun its destination buffer. A local low-privileged Unix client is required; successful exploitation corrupts diag memory, while Qualcomm has not published the resulting control-flow behavior.

The record

CVE
CVE-2025-27052
Published
Jul 8, 2025
Updated
Jul 8, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-120
Attack vector
local
Privileges
authenticated

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=Flight RB5 5G Platform
  7. Affected versionversion=MDM9628
  8. Affected versionversion=QAM8255P
  9. Affected versionversion=QAM8295P
  10. Affected versionversion=QAM8620P
  11. Affected versionversion=QAM8650P
  12. Affected versionversion=QAM8775P
  13. Affected versionversion=QAMSRV1H
  14. Affected versionversion=QAMSRV1M
  15. Affected versionversion=QCA6174A
  16. Affected versionversion=QCA6391
  17. Affected versionversion=QCA6564A
  18. Affected versionversion=QCA6564AU
  19. Affected versionversion=QCA6574
  20. Affected versionversion=QCA6574A
  21. Affected versionversion=QCA6574AU
  22. Affected versionversion=QCA6584AU
  23. Affected versionversion=QCA6595
  24. Affected versionversion=QCA6595AU
  25. Affected versionversion=QCA6678AQ
  26. Affected versionversion=QCA6688AQ
  27. Affected versionversion=QCA6696
  28. Affected versionversion=QCA6698AQ
  29. Affected versionversion=QCA6698AU
  30. Affected versionversion=QCA6797AQ
  31. Affected versionversion=QCA8081
  32. Affected versionversion=QCA8337
  33. Affected versionversion=QCA9367
  34. Affected versionversion=QCA9377
  35. Affected versionversion=QCC710
  36. Affected versionversion=QCM2290
  37. Affected versionversion=QCM4325
  38. Affected versionversion=QCM5430
  39. Affected versionversion=QCM6125
  40. Affected versionversion=QCM6490
  41. Affected versionversion=QCM8550
  42. Affected versionversion=QCN6224
  43. Affected versionversion=QCN6274
  44. Affected versionversion=QCN9011
  45. Affected versionversion=QCN9012
  46. Affected versionversion=QCN9274
  47. Affected versionversion=QCS2290
  48. Affected versionversion=QCS5430
  49. Affected versionversion=QCS6125
  50. Affected versionversion=QCS615
  51. Affected versionversion=QCS6490
  52. Affected versionversion=QCS7230
  53. Affected versionversion=QCS8250
  54. Affected versionversion=QCS8300
  55. Affected versionversion=QCS8550
  56. Affected versionversion=QCS9100
  57. Affected versionversion=QEP8111
  58. Affected versionversion=QFW7114
  59. Affected versionversion=QFW7124
  60. Affected versionversion=QMP1000
  61. Affected versionversion=QRB5165N
  62. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  63. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  64. Affected versionversion=Qualcomm Video Collaboration VC5 Platform
  65. Affected versionversion=Robotics RB5 Platform
  66. Affected versionversion=SA4150P
  67. Affected versionversion=SA4155P
  68. Affected versionversion=SA6155P
  69. Affected versionversion=SA7255P
  70. Affected versionversion=SA7775P
  71. Affected versionversion=SA8155P
  72. Affected versionversion=SA8195P
  73. Affected versionversion=SA8255P
  74. Affected versionversion=SA8295P
  75. Affected versionversion=SA8620P
  76. Affected versionversion=SA8650P
  77. Affected versionversion=SA8770P
  78. Affected versionversion=SA8775P
  79. Affected versionversion=SA9000P
  80. Affected versionversion=SG4150P
  81. Affected versionversion=SG8275P
  82. Affected versionversion=SM4635
  83. Affected versionversion=SM6650
  84. Affected versionversion=SM6650P
  85. Affected versionversion=SM7635
  86. Affected versionversion=SM7635P
  87. Affected versionversion=SM7675
  88. Affected versionversion=SM7675P
  89. Affected versionversion=SM8550P
  90. Affected versionversion=SM8635
  91. Affected versionversion=SM8635P
  92. Affected versionversion=SM8650Q
  93. Affected versionversion=SM8735
  94. Affected versionversion=SM8750
  95. Affected versionversion=SM8750P
  96. Affected versionversion=Snapdragon 460 Mobile Platform
  97. Affected versionversion=Snapdragon 480 5G Mobile Platform
  98. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  99. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  100. Affected versionversion=Snapdragon 662 Mobile Platform
  101. Affected versionversion=Snapdragon 680 4G Mobile Platform
  102. Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
  103. Affected versionversion=Snapdragon 695 5G Mobile Platform
  104. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  105. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  106. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  107. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  108. Affected versionversion=Snapdragon AR1 Gen 1 Platform
  109. Affected versionversion=Snapdragon AR1 Gen 1 Platform "Luna1"
  110. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  111. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  112. Affected versionversion=Snapdragon X32 5G Modem-RF System
  113. Affected versionversion=Snapdragon X35 5G Modem-RF System
  114. Affected versionversion=Snapdragon X72 5G Modem-RF System
  115. Affected versionversion=Snapdragon X75 5G Modem-RF System
  116. Affected versionversion=SRV1H
  117. Affected versionversion=SRV1L
  118. Affected versionversion=SRV1M
  119. Affected versionversion=SW5100
  120. Affected versionversion=SW5100P
  121. Affected versionversion=SXR2230P
  122. Affected versionversion=SXR2250P
  123. Affected versionversion=SXR2330P
  124. Affected versionversion=Vision Intelligence 400 Platform
  125. Affected versionversion=WCD9335
  126. Affected versionversion=WCD9340
  127. Affected versionversion=WCD9341
  128. Affected versionversion=WCD9370
  129. Affected versionversion=WCD9375
  130. Affected versionversion=WCD9378
  131. Affected versionversion=WCD9380
  132. Affected versionversion=WCD9385
  133. Affected versionversion=WCD9390
  134. Affected versionversion=WCD9395
  135. Affected versionversion=WCN3660B
  136. Affected versionversion=WCN3680B
  137. Affected versionversion=WCN3910
  138. Affected versionversion=WCN3950
  139. Affected versionversion=WCN3980
  140. Affected versionversion=WCN3988
  141. Affected versionversion=WCN3990
  142. Affected versionversion=WCN6450
  143. Affected versionversion=WCN6650
  144. Affected versionversion=WCN6755
  145. Affected versionversion=WCN7750
  146. Affected versionversion=WCN7860
  147. Affected versionversion=WCN7861
  148. Affected versionversion=WCN7880
  149. Affected versionversion=WCN7881
  150. Affected versionversion=WSA8810
  151. Affected versionversion=WSA8815
  152. Affected versionversion=WSA8830
  153. Affected versionversion=WSA8832
  154. Affected versionversion=WSA8835
  155. Affected versionversion=WSA8840
  156. Affected versionversion=WSA8845
  157. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6900; version=FastConnect 7800; version=Flight RB5 5G Platform; version=MDM9628; version=QAM8255P; version=QAM8295P; version=QAM8620P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA6174A; version=QCA6391; version=QCA6564A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6678AQ; version=QCA6688AQ; version=QCA6696; version=QCA6698AQ; version=QCA6698AU; version=QCA6797AQ; version=QCA8081; version=QCA8337; version=QCA9367; version=QCA9377; version=QCC710; version=QCM2290; version=QCM4325; version=QCM5430; version=QCM6125; version=QCM6490; version=QCM8550; version=QCN6224; version=QCN6274; version=QCN9011; version=QCN9012; version=QCN9274; version=QCS2290; version=QCS5430; version=QCS6125; version=QCS615; version=QCS6490; version=QCS7230; version=QCS8250; version=QCS8300; version=QCS8550; version=QCS9100; version=QEP8111; version=QFW7114; version=QFW7124; version=QMP1000; version=QRB5165N; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Qualcomm Video Collaboration VC5 Platform; version=Robotics RB5 Platform; version=SA4150P; version=SA4155P; version=SA6155P; version=SA7255P; version=SA7775P; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8620P; version=SA8650P; version=SA8770P; version=SA8775P; version=SA9000P; version=SG4150P; version=SG8275P; version=SM4635; version=SM6650; version=SM6650P; version=SM7635; version=SM7635P; version=SM7675; version=SM7675P; version=SM8550P; version=SM8635; version=SM8635P; version=SM8650Q; version=SM8735; version=SM8750; version=SM8750P; version=Snapdragon 460 Mobile Platform; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 662 Mobile Platform; version=Snapdragon 680 4G Mobile Platform; version=Snapdragon 685 4G Mobile Platform (SM6225-AD); version=Snapdragon 695 5G 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 8 Gen 3 Mobile Platform; version=Snapdragon AR1 Gen 1 Platform; version=Snapdragon AR1 Gen 1 Platform "Luna1"; 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 X72 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=SRV1H; version=SRV1L; version=SRV1M; version=SW5100; version=SW5100P; version=SXR2230P; version=SXR2250P; version=SXR2330P; version=Vision Intelligence 400 Platform; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9378; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3660B; version=WCN3680B; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN6450; version=WCN6650; 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

7.8Qualcomm, Inc.CVSS: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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic 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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