CVE-2024-49839Network attack vector

Memory disclosure via unchecked T2LM subfields

Published Feb 3, 2025 · Updated Feb 3, 2025

Buffer over-read in Qualcomm Snapdragon WLAN Host Communication allows remote attackers to disclose memory via crafted management frames. The wlan_mlo_parse_t2lm_info function accesses optional T2LM subfields when a presence bit is set without first verifying that ie_len covers the corresponding data. No privileges or user interaction are required; the published impact is memory disclosure and limited service interruption, with no integrity impact.

CVSS severity8.2
High
EPSS probability0.29%
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 Communication allows remote attackers to disclose memory via crafted management frames. The wlan_mlo_parse_t2lm_info function accesses optional T2LM subfields when a presence bit is set without first verifying that ie_len covers the corresponding data. No privileges or user interaction are required; the published impact is memory disclosure and limited service interruption, with no integrity impact.

The record

CVE
CVE-2024-49839
Published
Feb 3, 2025
Updated
Feb 3, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
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=CSR8811
  3. Affected versionversion=FastConnect 6700
  4. Affected versionversion=FastConnect 6900
  5. Affected versionversion=FastConnect 7800
  6. Affected versionversion=Immersive Home 214 Platform
  7. Affected versionversion=Immersive Home 216 Platform
  8. Affected versionversion=Immersive Home 316 Platform
  9. Affected versionversion=Immersive Home 318 Platform
  10. Affected versionversion=Immersive Home 3210 Platform
  11. Affected versionversion=Immersive Home 326 Platform
  12. Affected versionversion=IPQ5010
  13. Affected versionversion=IPQ5028
  14. Affected versionversion=IPQ5300
  15. Affected versionversion=IPQ5302
  16. Affected versionversion=IPQ5312
  17. Affected versionversion=IPQ5332
  18. Affected versionversion=IPQ6000
  19. Affected versionversion=IPQ6010
  20. Affected versionversion=IPQ6018
  21. Affected versionversion=IPQ6028
  22. Affected versionversion=IPQ8070A
  23. Affected versionversion=IPQ8071A
  24. Affected versionversion=IPQ8072A
  25. Affected versionversion=IPQ8074A
  26. Affected versionversion=IPQ8076
  27. Affected versionversion=IPQ8076A
  28. Affected versionversion=IPQ8078
  29. Affected versionversion=IPQ8078A
  30. Affected versionversion=IPQ8173
  31. Affected versionversion=IPQ8174
  32. Affected versionversion=IPQ9008
  33. Affected versionversion=IPQ9048
  34. Affected versionversion=IPQ9554
  35. Affected versionversion=IPQ9570
  36. Affected versionversion=IPQ9574
  37. Affected versionversion=QAM8255P
  38. Affected versionversion=QAM8295P
  39. Affected versionversion=QAM8620P
  40. Affected versionversion=QAM8650P
  41. Affected versionversion=QAM8775P
  42. Affected versionversion=QAMSRV1H
  43. Affected versionversion=QAMSRV1M
  44. Affected versionversion=QCA0000
  45. Affected versionversion=QCA4024
  46. Affected versionversion=QCA6391
  47. Affected versionversion=QCA6554A
  48. Affected versionversion=QCA6564AU
  49. Affected versionversion=QCA6574
  50. Affected versionversion=QCA6574A
  51. Affected versionversion=QCA6574AU
  52. Affected versionversion=QCA6584AU
  53. Affected versionversion=QCA6595
  54. Affected versionversion=QCA6595AU
  55. Affected versionversion=QCA6678AQ
  56. Affected versionversion=QCA6688AQ
  57. Affected versionversion=QCA6696
  58. Affected versionversion=QCA6698AQ
  59. Affected versionversion=QCA6777AQ
  60. Affected versionversion=QCA6787AQ
  61. Affected versionversion=QCA6797AQ
  62. Affected versionversion=QCA8075
  63. Affected versionversion=QCA8081
  64. Affected versionversion=QCA8082
  65. Affected versionversion=QCA8084
  66. Affected versionversion=QCA8085
  67. Affected versionversion=QCA8337
  68. Affected versionversion=QCA8386
  69. Affected versionversion=QCA9888
  70. Affected versionversion=QCA9889
  71. Affected versionversion=QCC2073
  72. Affected versionversion=QCC2076
  73. Affected versionversion=QCC710
  74. Affected versionversion=QCF8000
  75. Affected versionversion=QCF8000SFP
  76. Affected versionversion=QCF8001
  77. Affected versionversion=QCM5430
  78. Affected versionversion=QCM6490
  79. Affected versionversion=QCM8550
  80. Affected versionversion=QCN5022
  81. Affected versionversion=QCN5024
  82. Affected versionversion=QCN5052
  83. Affected versionversion=QCN5122
  84. Affected versionversion=QCN5124
  85. Affected versionversion=QCN5152
  86. Affected versionversion=QCN5154
  87. Affected versionversion=QCN5164
  88. Affected versionversion=QCN6023
  89. Affected versionversion=QCN6024
  90. Affected versionversion=QCN6112
  91. Affected versionversion=QCN6122
  92. Affected versionversion=QCN6132
  93. Affected versionversion=QCN6224
  94. Affected versionversion=QCN6274
  95. Affected versionversion=QCN6402
  96. Affected versionversion=QCN6412
  97. Affected versionversion=QCN6422
  98. Affected versionversion=QCN6432
  99. Affected versionversion=QCN9000
  100. Affected versionversion=QCN9012
  101. Affected versionversion=QCN9022
  102. Affected versionversion=QCN9024
  103. Affected versionversion=QCN9070
  104. Affected versionversion=QCN9072
  105. Affected versionversion=QCN9074
  106. Affected versionversion=QCN9100
  107. Affected versionversion=QCN9160
  108. Affected versionversion=QCN9274
  109. Affected versionversion=QCS5430
  110. Affected versionversion=QCS615
  111. Affected versionversion=QCS6490
  112. Affected versionversion=QCS7230
  113. Affected versionversion=QCS8250
  114. Affected versionversion=QCS8300
  115. Affected versionversion=QCS8550
  116. Affected versionversion=QCS9100
  117. Affected versionversion=QFW7114
  118. Affected versionversion=QFW7124
  119. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  120. Affected versionversion=Qualcomm Video Collaboration VC5 Platform
  121. Affected versionversion=QXM8083
  122. Affected versionversion=SA6155P
  123. Affected versionversion=SA7255P
  124. Affected versionversion=SA7775P
  125. Affected versionversion=SA8155P
  126. Affected versionversion=SA8195P
  127. Affected versionversion=SA8255P
  128. Affected versionversion=SA8295P
  129. Affected versionversion=SA8530P
  130. Affected versionversion=SA8540P
  131. Affected versionversion=SA8620P
  132. Affected versionversion=SA8650P
  133. Affected versionversion=SA8770P
  134. Affected versionversion=SA8775P
  135. Affected versionversion=SA9000P
  136. Affected versionversion=SDX55
  137. Affected versionversion=SDX65M
  138. Affected versionversion=SG8275P
  139. Affected versionversion=SM6650
  140. Affected versionversion=SM7635
  141. Affected versionversion=SM7675
  142. Affected versionversion=SM7675P
  143. Affected versionversion=SM8550P
  144. Affected versionversion=SM8635
  145. Affected versionversion=SM8635P
  146. Affected versionversion=SM8750
  147. Affected versionversion=SM8750P
  148. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  149. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  150. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  151. Affected versionversion=Snapdragon AR1 Gen 1 Platform
  152. Affected versionversion=Snapdragon AR1 Gen 1 Platform "Luna1"
  153. Affected versionversion=Snapdragon AR2 Gen 1 Platform
  154. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  155. Affected versionversion=Snapdragon X65 5G Modem-RF System
  156. Affected versionversion=Snapdragon X72 5G Modem-RF System
  157. Affected versionversion=Snapdragon X75 5G Modem-RF System
  158. Affected versionversion=SRV1H
  159. Affected versionversion=SRV1L
  160. Affected versionversion=SRV1M
  161. Affected versionversion=SSG2115P
  162. Affected versionversion=SSG2125P
  163. Affected versionversion=SXR1230P
  164. Affected versionversion=SXR2230P
  165. Affected versionversion=SXR2250P
  166. Affected versionversion=SXR2330P
  167. Affected versionversion=WCD9340
  168. Affected versionversion=WCD9370
  169. Affected versionversion=WCD9375
  170. Affected versionversion=WCD9378
  171. Affected versionversion=WCD9380
  172. Affected versionversion=WCD9385
  173. Affected versionversion=WCD9390
  174. Affected versionversion=WCD9395
  175. Affected versionversion=WCN6450
  176. Affected versionversion=WCN6650
  177. Affected versionversion=WCN6755
  178. Affected versionversion=WCN7860
  179. Affected versionversion=WCN7861
  180. Affected versionversion=WCN7880
  181. Affected versionversion=WCN7881
  182. Affected versionversion=WSA8830
  183. Affected versionversion=WSA8832
  184. Affected versionversion=WSA8835
  185. Affected versionversion=WSA8840
  186. Affected versionversion=WSA8845
  187. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=CSR8811; version=FastConnect 6700; version=FastConnect 6900; version=FastConnect 7800; version=Immersive Home 214 Platform; version=Immersive Home 216 Platform; version=Immersive Home 316 Platform; version=Immersive Home 318 Platform; version=Immersive Home 3210 Platform; version=Immersive Home 326 Platform; version=IPQ5010; version=IPQ5028; version=IPQ5300; version=IPQ5302; version=IPQ5312; version=IPQ5332; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8070A; version=IPQ8071A; version=IPQ8072A; version=IPQ8074A; version=IPQ8076; version=IPQ8076A; version=IPQ8078; version=IPQ8078A; version=IPQ8173; version=IPQ8174; version=IPQ9008; version=IPQ9048; version=IPQ9554; version=IPQ9570; version=IPQ9574; version=QAM8255P; version=QAM8295P; version=QAM8620P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA0000; version=QCA4024; version=QCA6391; 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=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8337; version=QCA8386; version=QCA9888; version=QCA9889; version=QCC2073; version=QCC2076; version=QCC710; version=QCF8000; version=QCF8000SFP; version=QCF8001; version=QCM5430; version=QCM6490; version=QCM8550; version=QCN5022; version=QCN5024; version=QCN5052; version=QCN5122; version=QCN5124; version=QCN5152; version=QCN5154; version=QCN5164; version=QCN6023; version=QCN6024; version=QCN6112; version=QCN6122; version=QCN6132; version=QCN6224; version=QCN6274; version=QCN6402; version=QCN6412; version=QCN6422; version=QCN6432; version=QCN9000; version=QCN9012; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9160; version=QCN9274; version=QCS5430; version=QCS615; version=QCS6490; version=QCS7230; version=QCS8250; version=QCS8300; version=QCS8550; version=QCS9100; version=QFW7114; version=QFW7124; version=Qualcomm Video Collaboration VC3 Platform; version=Qualcomm Video Collaboration VC5 Platform; version=QXM8083; 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=SDX55; version=SDX65M; version=SG8275P; version=SM6650; version=SM7635; version=SM7675; version=SM7675P; version=SM8550P; version=SM8635; version=SM8635P; version=SM8750; version=SM8750P; 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 X65 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=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=WCN6755; version=WCN7860; version=WCN7861; version=WCN7880; version=WCN7881; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

Published CVSS scores

8.2Qualcomm, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
9.8NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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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