CVE-2025-21468

Memory corruption via stale firmware response size

Published May 6, 2025 · Updated Feb 26, 2026

An out-of-bounds write in Qualcomm Snapdragon Computer Vision drivers allows local users to corrupt memory through a firmware response. The driver reads a firmware response size and then writes a null terminator using that size even after firmware changes it, placing the terminator beyond the buffer. Exploitation requires local low-privilege access and can compromise confidentiality, integrity, and availability within the affected device.

CVSS severity7.8
High
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An out-of-bounds write in Qualcomm Snapdragon Computer Vision drivers allows local users to corrupt memory through a firmware response. The driver reads a firmware response size and then writes a null terminator using that size even after firmware changes it, placing the terminator beyond the buffer. Exploitation requires local low-privilege access and can compromise confidentiality, integrity, and availability within the affected device.

The record

CVE
CVE-2025-21468
Published
May 6, 2025
Updated
Feb 26, 2026
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-787
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record 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=CSRA6620
  3. Affected versionversion=CSRA6640
  4. Affected versionversion=FastConnect 6200
  5. Affected versionversion=FastConnect 6700
  6. Affected versionversion=FastConnect 6900
  7. Affected versionversion=FastConnect 7800
  8. Affected versionversion=Flight RB5 5G Platform
  9. Affected versionversion=MDM9628
  10. Affected versionversion=QAM8295P
  11. Affected versionversion=QCA6174A
  12. Affected versionversion=QCA6391
  13. Affected versionversion=QCA6564A
  14. Affected versionversion=QCA6564AU
  15. Affected versionversion=QCA6574
  16. Affected versionversion=QCA6574A
  17. Affected versionversion=QCA6574AU
  18. Affected versionversion=QCA6595
  19. Affected versionversion=QCA6595AU
  20. Affected versionversion=QCA6696
  21. Affected versionversion=QCA6698AQ
  22. Affected versionversion=QCA8081
  23. Affected versionversion=QCA8337
  24. Affected versionversion=QCA9377
  25. Affected versionversion=QCM4490
  26. Affected versionversion=QCM5430
  27. Affected versionversion=QCM6490
  28. Affected versionversion=QCM8550
  29. Affected versionversion=QCN6024
  30. Affected versionversion=QCN9011
  31. Affected versionversion=QCN9012
  32. Affected versionversion=QCN9024
  33. Affected versionversion=QCN9274
  34. Affected versionversion=QCS410
  35. Affected versionversion=QCS4490
  36. Affected versionversion=QCS5430
  37. Affected versionversion=QCS610
  38. Affected versionversion=QCS615
  39. Affected versionversion=QCS6490
  40. Affected versionversion=QCS7230
  41. Affected versionversion=QCS8250
  42. Affected versionversion=QCS8300
  43. Affected versionversion=QCS8550
  44. Affected versionversion=QCS9100
  45. Affected versionversion=QMP1000
  46. Affected versionversion=QRB5165M
  47. Affected versionversion=QRB5165N
  48. Affected versionversion=QSM8350
  49. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  50. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  51. Affected versionversion=Qualcomm Video Collaboration VC5 Platform
  52. Affected versionversion=Robotics RB2 Platform
  53. Affected versionversion=Robotics RB5 Platform
  54. Affected versionversion=SA4150P
  55. Affected versionversion=SA4155P
  56. Affected versionversion=SA6145P
  57. Affected versionversion=SA6150P
  58. Affected versionversion=SA6155P
  59. Affected versionversion=SA8145P
  60. Affected versionversion=SA8150P
  61. Affected versionversion=SA8155P
  62. Affected versionversion=SA8195P
  63. Affected versionversion=SA8295P
  64. Affected versionversion=SA8530P
  65. Affected versionversion=SA8540P
  66. Affected versionversion=SA9000P
  67. Affected versionversion=SD888
  68. Affected versionversion=SD 8 Gen1 5G
  69. Affected versionversion=SDX61
  70. Affected versionversion=SG8275P
  71. Affected versionversion=SM6370
  72. Affected versionversion=SM6650
  73. Affected versionversion=SM6650P
  74. Affected versionversion=SM7315
  75. Affected versionversion=SM7325P
  76. Affected versionversion=SM7635
  77. Affected versionversion=SM7675
  78. Affected versionversion=SM7675P
  79. Affected versionversion=SM8550P
  80. Affected versionversion=SM8635
  81. Affected versionversion=SM8635P
  82. Affected versionversion=SM8650Q
  83. Affected versionversion=SM8735
  84. Affected versionversion=SM8750
  85. Affected versionversion=SM8750P
  86. Affected versionversion=Smart Audio 400 Platform
  87. Affected versionversion=Snapdragon 480 5G Mobile Platform
  88. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  89. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  90. Affected versionversion=Snapdragon 4 Gen 2 Mobile Platform
  91. Affected versionversion=Snapdragon 695 5G Mobile Platform
  92. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  93. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  94. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  95. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  96. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  97. Affected versionversion=Snapdragon 888 5G Mobile Platform
  98. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  99. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  100. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  101. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  102. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  103. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  104. Affected versionversion=Snapdragon AR1 Gen 1 Platform
  105. Affected versionversion=Snapdragon AR1 Gen 1 Platform "Luna1"
  106. Affected versionversion=Snapdragon AR2 Gen 1 Platform
  107. Affected versionversion=Snapdragon Auto 5G Modem-RF
  108. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  109. Affected versionversion=Snapdragon X12 LTE Modem
  110. Affected versionversion=Snapdragon X62 5G Modem-RF System
  111. Affected versionversion=Snapdragon X65 5G Modem-RF System
  112. Affected versionversion=SSG2115P
  113. Affected versionversion=SSG2125P
  114. Affected versionversion=SW5100
  115. Affected versionversion=SW5100P
  116. Affected versionversion=SXR1230P
  117. Affected versionversion=SXR2230P
  118. Affected versionversion=SXR2250P
  119. Affected versionversion=SXR2330P
  120. Affected versionversion=TalynPlus
  121. Affected versionversion=Vision Intelligence 400 Platform
  122. Affected versionversion=WCD9335
  123. Affected versionversion=WCD9341
  124. Affected versionversion=WCD9370
  125. Affected versionversion=WCD9375
  126. Affected versionversion=WCD9378
  127. Affected versionversion=WCD9380
  128. Affected versionversion=WCD9385
  129. Affected versionversion=WCD9390
  130. Affected versionversion=WCD9395
  131. Affected versionversion=WCN3910
  132. Affected versionversion=WCN3950
  133. Affected versionversion=WCN3980
  134. Affected versionversion=WCN3988
  135. Affected versionversion=WCN3990
  136. Affected versionversion=WCN6450
  137. Affected versionversion=WCN6650
  138. Affected versionversion=WCN6740
  139. Affected versionversion=WCN6755
  140. Affected versionversion=WCN7750
  141. Affected versionversion=WCN7860
  142. Affected versionversion=WCN7861
  143. Affected versionversion=WCN7880
  144. Affected versionversion=WCN7881
  145. Affected versionversion=WSA8810
  146. Affected versionversion=WSA8815
  147. Affected versionversion=WSA8830
  148. Affected versionversion=WSA8832
  149. Affected versionversion=WSA8835
  150. Affected versionversion=WSA8840
  151. Affected versionversion=WSA8845
  152. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=CSRA6620; version=CSRA6640; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6900; version=FastConnect 7800; version=Flight RB5 5G Platform; version=MDM9628; version=QAM8295P; version=QCA6174A; version=QCA6391; version=QCA6564A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA8081; version=QCA8337; version=QCA9377; version=QCM4490; version=QCM5430; version=QCM6490; version=QCM8550; version=QCN6024; version=QCN9011; version=QCN9012; version=QCN9024; version=QCN9274; version=QCS410; version=QCS4490; version=QCS5430; version=QCS610; version=QCS615; version=QCS6490; version=QCS7230; version=QCS8250; version=QCS8300; version=QCS8550; version=QCS9100; version=QMP1000; version=QRB5165M; version=QRB5165N; version=QSM8350; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Qualcomm Video Collaboration VC5 Platform; version=Robotics RB2 Platform; version=Robotics RB5 Platform; version=SA4150P; version=SA4155P; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8295P; version=SA8530P; version=SA8540P; version=SA9000P; version=SD888; version=SD 8 Gen1 5G; version=SDX61; version=SG8275P; version=SM6370; version=SM6650; version=SM6650P; version=SM7315; version=SM7325P; version=SM7635; version=SM7675; version=SM7675P; version=SM8550P; version=SM8635; version=SM8635P; version=SM8650Q; version=SM8735; version=SM8750; version=SM8750P; version=Smart Audio 400 Platform; 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 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; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon X12 LTE Modem; version=Snapdragon X62 5G Modem-RF System; version=Snapdragon X65 5G Modem-RF System; version=SSG2115P; version=SSG2125P; version=SW5100; version=SW5100P; version=SXR1230P; version=SXR2230P; version=SXR2250P; version=SXR2330P; version=TalynPlus; version=Vision Intelligence 400 Platform; version=WCD9335; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9378; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; 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

7.8Qualcomm, 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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write

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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