CVE-2025-21430Network attack vector

Transient wireless-service interruption via ADD TS request

Published Apr 7, 2025 · Updated Apr 7, 2025

Buffer over-read in the WLAN host in Qualcomm Snapdragon allows remote attackers to interrupt wireless service via an AP-originated ADD TS request. During STA association, the host processes the request to establish a TSpec session and reads beyond the intended buffer boundary; Qualcomm has not identified the buffer or parsing operation. Exploitation requires an attacker-controlled AP while the STA connects, and the documented consequence is a transient service interruption.

CVSS severity7.5
High
EPSS probability0.26%
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 the WLAN host in Qualcomm Snapdragon allows remote attackers to interrupt wireless service via an AP-originated ADD TS request. During STA association, the host processes the request to establish a TSpec session and reads beyond the intended buffer boundary; Qualcomm has not identified the buffer or parsing operation. Exploitation requires an attacker-controlled AP while the STA connects, and the documented consequence is a transient service interruption.

The record

CVE
CVE-2025-21430
Published
Apr 7, 2025
Updated
Apr 7, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-126, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 7, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 7, 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=315 5G IoT Modem
  2. Affected versionversion=APQ8017
  3. Affected versionversion=APQ8064AU
  4. Affected versionversion=AQT1000
  5. Affected versionversion=AR8031
  6. Affected versionversion=AR8035
  7. Affected versionversion=CSRA6620
  8. Affected versionversion=CSRA6640
  9. Affected versionversion=CSRB31024
  10. Affected versionversion=FastConnect 6200
  11. Affected versionversion=FastConnect 6700
  12. Affected versionversion=FastConnect 6800
  13. Affected versionversion=FastConnect 6900
  14. Affected versionversion=FastConnect 7800
  15. Affected versionversion=Flight RB5 5G Platform
  16. Affected versionversion=MDM9628
  17. Affected versionversion=MDM9640
  18. Affected versionversion=MSM8996AU
  19. Affected versionversion=QAM8255P
  20. Affected versionversion=QAM8295P
  21. Affected versionversion=QAM8620P
  22. Affected versionversion=QAM8650P
  23. Affected versionversion=QAM8775P
  24. Affected versionversion=QAMSRV1H
  25. Affected versionversion=QAMSRV1M
  26. Affected versionversion=QCA6174A
  27. Affected versionversion=QCA6175A
  28. Affected versionversion=QCA6310
  29. Affected versionversion=QCA6320
  30. Affected versionversion=QCA6335
  31. Affected versionversion=QCA6391
  32. Affected versionversion=QCA6420
  33. Affected versionversion=QCA6426
  34. Affected versionversion=QCA6430
  35. Affected versionversion=QCA6436
  36. Affected versionversion=QCA6554A
  37. Affected versionversion=QCA6564
  38. Affected versionversion=QCA6564A
  39. Affected versionversion=QCA6564AU
  40. Affected versionversion=QCA6574
  41. Affected versionversion=QCA6574A
  42. Affected versionversion=QCA6574AU
  43. Affected versionversion=QCA6584AU
  44. Affected versionversion=QCA6595
  45. Affected versionversion=QCA6595AU
  46. Affected versionversion=QCA6678AQ
  47. Affected versionversion=QCA6688AQ
  48. Affected versionversion=QCA6696
  49. Affected versionversion=QCA6698AQ
  50. Affected versionversion=QCA6777AQ
  51. Affected versionversion=QCA6787AQ
  52. Affected versionversion=QCA6797AQ
  53. Affected versionversion=QCA8081
  54. Affected versionversion=QCA8337
  55. Affected versionversion=QCA9367
  56. Affected versionversion=QCA9377
  57. Affected versionversion=QCC2073
  58. Affected versionversion=QCC2076
  59. Affected versionversion=QCC710
  60. Affected versionversion=QCM2290
  61. Affected versionversion=QCM4290
  62. Affected versionversion=QCM5430
  63. Affected versionversion=QCM6125
  64. Affected versionversion=QCM6490
  65. Affected versionversion=QCM8550
  66. Affected versionversion=QCN6024
  67. Affected versionversion=QCN6224
  68. Affected versionversion=QCN6274
  69. Affected versionversion=QCN9011
  70. Affected versionversion=QCN9012
  71. Affected versionversion=QCN9024
  72. Affected versionversion=QCN9074
  73. Affected versionversion=QCN9274
  74. Affected versionversion=QCS2290
  75. Affected versionversion=QCS410
  76. Affected versionversion=QCS4290
  77. Affected versionversion=QCS5430
  78. Affected versionversion=QCS610
  79. Affected versionversion=QCS6125
  80. Affected versionversion=QCS615
  81. Affected versionversion=QCS6490
  82. Affected versionversion=QCS7230
  83. Affected versionversion=QCS8250
  84. Affected versionversion=QCS8300
  85. Affected versionversion=QCS8550
  86. Affected versionversion=QCS9100
  87. Affected versionversion=QEP8111
  88. Affected versionversion=QFW7114
  89. Affected versionversion=QFW7124
  90. Affected versionversion=QRB5165M
  91. Affected versionversion=QRB5165N
  92. Affected versionversion=Qualcomm 205 Mobile Platform
  93. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  94. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  95. Affected versionversion=Qualcomm Video Collaboration VC5 Platform
  96. Affected versionversion=Robotics RB3 Platform
  97. Affected versionversion=Robotics RB5 Platform
  98. Affected versionversion=SA2150P
  99. Affected versionversion=SA4150P
  100. Affected versionversion=SA4155P
  101. Affected versionversion=SA6145P
  102. Affected versionversion=SA6150P
  103. Affected versionversion=SA6155
  104. Affected versionversion=SA6155P
  105. Affected versionversion=SA7255P
  106. Affected versionversion=SA7775P
  107. Affected versionversion=SA8145P
  108. Affected versionversion=SA8150P
  109. Affected versionversion=SA8155
  110. Affected versionversion=SA8155P
  111. Affected versionversion=SA8195P
  112. Affected versionversion=SA8255P
  113. Affected versionversion=SA8295P
  114. Affected versionversion=SA8530P
  115. Affected versionversion=SA8540P
  116. Affected versionversion=SA8620P
  117. Affected versionversion=SA8650P
  118. Affected versionversion=SA8770P
  119. Affected versionversion=SA8775P
  120. Affected versionversion=SA9000P
  121. Affected versionversion=SD660
  122. Affected versionversion=SD730
  123. Affected versionversion=SD835
  124. Affected versionversion=SD855
  125. Affected versionversion=SD865 5G
  126. Affected versionversion=SD 8 Gen1 5G
  127. Affected versionversion=SDM429W
  128. Affected versionversion=SDX55
  129. Affected versionversion=SDX61
  130. Affected versionversion=SG4150P
  131. Affected versionversion=SG8275P
  132. Affected versionversion=SM4125
  133. Affected versionversion=SM4635
  134. Affected versionversion=SM6250
  135. Affected versionversion=SM7250P
  136. Affected versionversion=SM8550P
  137. Affected versionversion=Smart Audio 400 Platform
  138. Affected versionversion=Snapdragon 210 Processor
  139. Affected versionversion=Snapdragon 212 Mobile Platform
  140. Affected versionversion=Snapdragon 429 Mobile Platform
  141. Affected versionversion=Snapdragon 460 Mobile Platform
  142. Affected versionversion=Snapdragon 660 Mobile Platform
  143. Affected versionversion=Snapdragon 662 Mobile Platform
  144. Affected versionversion=Snapdragon 675 Mobile Platform
  145. Affected versionversion=Snapdragon 678 Mobile Platform (SM6150-AC)
  146. Affected versionversion=Snapdragon 680 4G Mobile Platform
  147. Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
  148. Affected versionversion=Snapdragon 690 5G Mobile Platform
  149. Affected versionversion=Snapdragon 720G Mobile Platform
  150. Affected versionversion=Snapdragon 730G Mobile Platform (SM7150-AB)
  151. Affected versionversion=Snapdragon 730 Mobile Platform (SM7150-AA)
  152. Affected versionversion=Snapdragon 732G Mobile Platform (SM7150-AC)
  153. Affected versionversion=Snapdragon 750G 5G Mobile Platform
  154. Affected versionversion=Snapdragon 765 5G Mobile Platform (SM7250-AA)
  155. Affected versionversion=Snapdragon 765G 5G Mobile Platform (SM7250-AB)
  156. Affected versionversion=Snapdragon 768G 5G Mobile Platform (SM7250-AC)
  157. Affected versionversion=Snapdragon 820 Automotive Platform
  158. Affected versionversion=Snapdragon 835 Mobile PC Platform
  159. Affected versionversion=Snapdragon 845 Mobile Platform
  160. Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
  161. Affected versionversion=Snapdragon 855 Mobile Platform
  162. Affected versionversion=Snapdragon 865 5G Mobile Platform
  163. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  164. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  165. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  166. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  167. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  168. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  169. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  170. Affected versionversion=Snapdragon AR1 Gen 1 Platform
  171. Affected versionversion=Snapdragon AR1 Gen 1 Platform "Luna1"
  172. Affected versionversion=Snapdragon AR2 Gen 1 Platform
  173. Affected versionversion=Snapdragon Auto 4G Modem
  174. Affected versionversion=Snapdragon Auto 5G Modem-RF
  175. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  176. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  177. Affected versionversion=Snapdragon X35 5G Modem-RF System
  178. Affected versionversion=Snapdragon X50 5G Modem-RF System
  179. Affected versionversion=Snapdragon X55 5G Modem-RF System
  180. Affected versionversion=Snapdragon X5 LTE Modem
  181. Affected versionversion=Snapdragon X62 5G Modem-RF System
  182. Affected versionversion=Snapdragon X65 5G Modem-RF System
  183. Affected versionversion=Snapdragon X72 5G Modem-RF System
  184. Affected versionversion=Snapdragon X75 5G Modem-RF System
  185. Affected versionversion=Snapdragon XR1 Platform
  186. Affected versionversion=Snapdragon XR2 5G Platform
  187. Affected versionversion=Snapdragon XR2+ Gen 1 Platform
  188. Affected versionversion=SRV1H
  189. Affected versionversion=SRV1L
  190. Affected versionversion=SRV1M
  191. Affected versionversion=SW5100
  192. Affected versionversion=SW5100P
  193. Affected versionversion=SXR1120
  194. Affected versionversion=SXR2130
  195. Affected versionversion=SXR2230P
  196. Affected versionversion=SXR2250P
  197. Affected versionversion=WCD9326
  198. Affected versionversion=WCD9335
  199. Affected versionversion=WCD9340
  200. Affected versionversion=WCD9341
  201. Affected versionversion=WCD9360
  202. Affected versionversion=WCD9370
  203. Affected versionversion=WCD9375
  204. Affected versionversion=WCD9378
  205. Affected versionversion=WCD9380
  206. Affected versionversion=WCD9385
  207. Affected versionversion=WCD9390
  208. Affected versionversion=WCD9395
  209. Affected versionversion=WCN3610
  210. Affected versionversion=WCN3620
  211. Affected versionversion=WCN3660B
  212. Affected versionversion=WCN3680B
  213. Affected versionversion=WCN3910
  214. Affected versionversion=WCN3950
  215. Affected versionversion=WCN3980
  216. Affected versionversion=WCN3988
  217. Affected versionversion=WCN3990
  218. Affected versionversion=WSA8810
  219. Affected versionversion=WSA8815
  220. Affected versionversion=WSA8830
  221. Affected versionversion=WSA8832
  222. Affected versionversion=WSA8835
  223. Affected versionversion=WSA8840
  224. Affected versionversion=WSA8845
  225. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=315 5G IoT Modem; version=APQ8017; version=APQ8064AU; version=AQT1000; version=AR8031; version=AR8035; version=CSRA6620; version=CSRA6640; version=CSRB31024; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=Flight RB5 5G Platform; version=MDM9628; version=MDM9640; version=MSM8996AU; version=QAM8255P; version=QAM8295P; version=QAM8620P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA6174A; version=QCA6175A; version=QCA6310; version=QCA6320; version=QCA6335; version=QCA6391; version=QCA6420; version=QCA6426; version=QCA6430; version=QCA6436; version=QCA6554A; version=QCA6564; 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=QCM2290; version=QCM4290; version=QCM5430; version=QCM6125; version=QCM6490; version=QCM8550; version=QCN6024; version=QCN6224; version=QCN6274; version=QCN9011; version=QCN9012; version=QCN9024; version=QCN9074; version=QCN9274; version=QCS2290; version=QCS410; version=QCS4290; version=QCS5430; version=QCS610; version=QCS6125; version=QCS615; version=QCS6490; version=QCS7230; version=QCS8250; version=QCS8300; version=QCS8550; version=QCS9100; version=QEP8111; version=QFW7114; version=QFW7124; version=QRB5165M; version=QRB5165N; version=Qualcomm 205 Mobile Platform; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Qualcomm Video Collaboration VC5 Platform; version=Robotics RB3 Platform; version=Robotics RB5 Platform; version=SA2150P; version=SA4150P; version=SA4155P; version=SA6145P; version=SA6150P; version=SA6155; version=SA6155P; version=SA7255P; version=SA7775P; version=SA8145P; version=SA8150P; version=SA8155; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8530P; version=SA8540P; version=SA8620P; version=SA8650P; version=SA8770P; version=SA8775P; version=SA9000P; version=SD660; version=SD730; version=SD835; version=SD855; version=SD865 5G; version=SD 8 Gen1 5G; version=SDM429W; version=SDX55; version=SDX61; version=SG4150P; version=SG8275P; version=SM4125; version=SM4635; version=SM6250; version=SM7250P; version=SM8550P; version=Smart Audio 400 Platform; version=Snapdragon 210 Processor; version=Snapdragon 212 Mobile Platform; version=Snapdragon 429 Mobile Platform; version=Snapdragon 460 Mobile Platform; version=Snapdragon 660 Mobile Platform; version=Snapdragon 662 Mobile Platform; version=Snapdragon 675 Mobile Platform; version=Snapdragon 678 Mobile Platform (SM6150-AC); version=Snapdragon 680 4G Mobile Platform; version=Snapdragon 685 4G Mobile Platform (SM6225-AD); version=Snapdragon 690 5G Mobile Platform; version=Snapdragon 720G Mobile Platform; version=Snapdragon 730G Mobile Platform (SM7150-AB); version=Snapdragon 730 Mobile Platform (SM7150-AA); version=Snapdragon 732G Mobile Platform (SM7150-AC); version=Snapdragon 750G 5G Mobile Platform; version=Snapdragon 765 5G Mobile Platform (SM7250-AA); version=Snapdragon 765G 5G Mobile Platform (SM7250-AB); version=Snapdragon 768G 5G Mobile Platform (SM7250-AC); version=Snapdragon 820 Automotive Platform; version=Snapdragon 835 Mobile PC Platform; version=Snapdragon 845 Mobile Platform; version=Snapdragon 855+/860 Mobile Platform (SM8150-AC); version=Snapdragon 855 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 4G Modem; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon X35 5G Modem-RF System; version=Snapdragon X50 5G Modem-RF System; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X5 LTE Modem; 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 XR1 Platform; version=Snapdragon XR2 5G Platform; version=Snapdragon XR2+ Gen 1 Platform; version=SRV1H; version=SRV1L; version=SRV1M; version=SW5100; version=SW5100P; version=SXR1120; version=SXR2130; version=SXR2230P; version=SXR2250P; version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9375; version=WCD9378; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3610; version=WCN3620; version=WCN3660B; version=WCN3680B; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; 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
T1499.004Endpoint Denial of Service: Application or System Exploitation

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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