CVE-2024-49838Network attack vector

Memory disclosure via unchecked OCI IE length

Published Feb 3, 2025 · Updated Feb 3, 2025

Buffer over-read in Qualcomm Snapdragon WLAN HOST firmware allows remote attackers to disclose memory through a malformed OCI IE. The qcacld-3.0 WLAN host driver unpacked the OCI information element without first checking that its length covered the expected structure, causing reads beyond the supplied buffer. No authentication or user interaction is required; exposure is limited to devices using an affected chipset and receiving attacker-controlled network traffic.

CVSS severity8.2
High
EPSS probability0.27%
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 HOST firmware allows remote attackers to disclose memory through a malformed OCI IE. The qcacld-3.0 WLAN host driver unpacked the OCI information element without first checking that its length covered the expected structure, causing reads beyond the supplied buffer. No authentication or user interaction is required; exposure is limited to devices using an affected chipset and receiving attacker-controlled network traffic.

The record

CVE
CVE-2024-49838
Published
Feb 3, 2025
Updated
Feb 3, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-125, CWE-126
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 3, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 3, 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 6800
  5. Affected versionversion=FastConnect 6900
  6. Affected versionversion=FastConnect 7800
  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=QCA6426
  18. Affected versionversion=QCA6436
  19. Affected versionversion=QCA6554A
  20. Affected versionversion=QCA6564A
  21. Affected versionversion=QCA6564AU
  22. Affected versionversion=QCA6574
  23. Affected versionversion=QCA6574A
  24. Affected versionversion=QCA6574AU
  25. Affected versionversion=QCA6584AU
  26. Affected versionversion=QCA6595
  27. Affected versionversion=QCA6595AU
  28. Affected versionversion=QCA6678AQ
  29. Affected versionversion=QCA6688AQ
  30. Affected versionversion=QCA6696
  31. Affected versionversion=QCA6698AQ
  32. Affected versionversion=QCA6777AQ
  33. Affected versionversion=QCA6787AQ
  34. Affected versionversion=QCA6797AQ
  35. Affected versionversion=QCA8081
  36. Affected versionversion=QCA8337
  37. Affected versionversion=QCA9367
  38. Affected versionversion=QCA9377
  39. Affected versionversion=QCC2073
  40. Affected versionversion=QCC2076
  41. Affected versionversion=QCC710
  42. Affected versionversion=QCM4325
  43. Affected versionversion=QCM4490
  44. Affected versionversion=QCM5430
  45. Affected versionversion=QCM6125
  46. Affected versionversion=QCM6490
  47. Affected versionversion=QCM8550
  48. Affected versionversion=QCN6024
  49. Affected versionversion=QCN6224
  50. Affected versionversion=QCN6274
  51. Affected versionversion=QCN9024
  52. Affected versionversion=QCN9274
  53. Affected versionversion=QCS4490
  54. Affected versionversion=QCS5430
  55. Affected versionversion=QCS6125
  56. Affected versionversion=QCS615
  57. Affected versionversion=QCS6490
  58. Affected versionversion=QCS7230
  59. Affected versionversion=QCS8250
  60. Affected versionversion=QCS8300
  61. Affected versionversion=QCS8550
  62. Affected versionversion=QCS9100
  63. Affected versionversion=QEP8111
  64. Affected versionversion=QFW7114
  65. Affected versionversion=QFW7124
  66. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  67. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  68. Affected versionversion=Qualcomm Video Collaboration VC5 Platform
  69. Affected versionversion=SA6155P
  70. Affected versionversion=SA7255P
  71. Affected versionversion=SA7775P
  72. Affected versionversion=SA8155P
  73. Affected versionversion=SA8195P
  74. Affected versionversion=SA8255P
  75. Affected versionversion=SA8295P
  76. Affected versionversion=SA8530P
  77. Affected versionversion=SA8540P
  78. Affected versionversion=SA8620P
  79. Affected versionversion=SA8650P
  80. Affected versionversion=SA8770P
  81. Affected versionversion=SA8775P
  82. Affected versionversion=SA9000P
  83. Affected versionversion=SC8380XP
  84. Affected versionversion=SD865 5G
  85. Affected versionversion=SD 8 Gen1 5G
  86. Affected versionversion=SDX61
  87. Affected versionversion=SG4150P
  88. Affected versionversion=SM4635
  89. Affected versionversion=SM6650
  90. Affected versionversion=SM7635
  91. Affected versionversion=SM7675
  92. Affected versionversion=SM7675P
  93. Affected versionversion=SM8550P
  94. Affected versionversion=SM8635
  95. Affected versionversion=SM8635P
  96. Affected versionversion=SM8750
  97. Affected versionversion=SM8750P
  98. Affected versionversion=Snapdragon 460 Mobile Platform
  99. Affected versionversion=Snapdragon 480 5G Mobile Platform
  100. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  101. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  102. Affected versionversion=Snapdragon 4 Gen 2 Mobile Platform
  103. Affected versionversion=Snapdragon 662 Mobile Platform
  104. Affected versionversion=Snapdragon 680 4G Mobile Platform
  105. Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
  106. Affected versionversion=Snapdragon 695 5G Mobile Platform
  107. Affected versionversion=Snapdragon 865 5G Mobile Platform
  108. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  109. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  110. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  111. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  112. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  113. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  114. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  115. Affected versionversion=Snapdragon AR1 Gen 1 Platform
  116. Affected versionversion=Snapdragon AR1 Gen 1 Platform "Luna1"
  117. Affected versionversion=Snapdragon AR2 Gen 1 Platform
  118. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  119. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  120. Affected versionversion=Snapdragon X35 5G Modem-RF System
  121. Affected versionversion=Snapdragon X55 5G Modem-RF System
  122. Affected versionversion=Snapdragon X62 5G Modem-RF System
  123. Affected versionversion=Snapdragon X65 5G Modem-RF System
  124. Affected versionversion=Snapdragon X72 5G Modem-RF System
  125. Affected versionversion=Snapdragon X75 5G Modem-RF System
  126. Affected versionversion=Snapdragon XR2 5G Platform
  127. Affected versionversion=Snapdragon XR2+ Gen 1 Platform
  128. Affected versionversion=SRV1H
  129. Affected versionversion=SRV1L
  130. Affected versionversion=SRV1M
  131. Affected versionversion=SSG2115P
  132. Affected versionversion=SSG2125P
  133. Affected versionversion=SW5100
  134. Affected versionversion=SW5100P
  135. Affected versionversion=SXR1230P
  136. Affected versionversion=SXR2130
  137. Affected versionversion=SXR2230P
  138. Affected versionversion=SXR2250P
  139. Affected versionversion=SXR2330P
  140. Affected versionversion=TalynPlus
  141. Affected versionversion=Vision Intelligence 400 Platform
  142. Affected versionversion=WCD9335
  143. Affected versionversion=WCD9340
  144. Affected versionversion=WCD9341
  145. Affected versionversion=WCD9370
  146. Affected versionversion=WCD9375
  147. Affected versionversion=WCD9378
  148. Affected versionversion=WCD9380
  149. Affected versionversion=WCD9385
  150. Affected versionversion=WCD9390
  151. Affected versionversion=WCD9395
  152. Affected versionversion=WCN3950
  153. Affected versionversion=WCN3980
  154. Affected versionversion=WCN3988
  155. Affected versionversion=WCN3990
  156. Affected versionversion=WCN6650
  157. Affected versionversion=WCN6740
  158. Affected versionversion=WCN6755
  159. Affected versionversion=WCN7860
  160. Affected versionversion=WCN7861
  161. Affected versionversion=WCN7880
  162. Affected versionversion=WCN7881
  163. Affected versionversion=WSA8810
  164. Affected versionversion=WSA8815
  165. Affected versionversion=WSA8830
  166. Affected versionversion=WSA8832
  167. Affected versionversion=WSA8835
  168. Affected versionversion=WSA8840
  169. Affected versionversion=WSA8845
  170. 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 6800; version=FastConnect 6900; version=FastConnect 7800; version=MDM9628; version=QAM8255P; version=QAM8295P; version=QAM8620P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA6174A; version=QCA6391; version=QCA6426; version=QCA6436; version=QCA6554A; 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=QCA6777AQ; version=QCA6787AQ; version=QCA6797AQ; version=QCA8081; version=QCA8337; version=QCA9367; version=QCA9377; version=QCC2073; version=QCC2076; version=QCC710; version=QCM4325; version=QCM4490; version=QCM5430; version=QCM6125; version=QCM6490; version=QCM8550; version=QCN6024; version=QCN6224; version=QCN6274; version=QCN9024; version=QCN9274; version=QCS4490; 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=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Qualcomm Video Collaboration VC5 Platform; version=SA6155P; version=SA7255P; version=SA7775P; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8530P; version=SA8540P; version=SA8620P; version=SA8650P; version=SA8770P; version=SA8775P; version=SA9000P; version=SC8380XP; version=SD865 5G; version=SD 8 Gen1 5G; version=SDX61; version=SG4150P; version=SM4635; version=SM6650; version=SM7635; version=SM7675; version=SM7675P; version=SM8550P; version=SM8635; version=SM8635P; 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 4 Gen 2 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 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 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 W5+ Gen 1 Wearable Platform; version=Snapdragon X35 5G Modem-RF System; version=Snapdragon X55 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=Snapdragon XR2 5G Platform; version=Snapdragon XR2+ Gen 1 Platform; version=SRV1H; version=SRV1L; version=SRV1M; version=SSG2115P; version=SSG2125P; version=SW5100; version=SW5100P; version=SXR1230P; version=SXR2130; version=SXR2230P; version=SXR2250P; version=SXR2330P; version=TalynPlus; 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=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN6650; version=WCN6740; 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

7.5NISTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
8.2Qualcomm, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

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-125Out-of-bounds Read
CWE-126Buffer Over-read

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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