CVE-2025-21483Network attack vector

Unauthenticated memory corruption via RTP reassembly

Published Sep 24, 2025 · Updated Sep 24, 2025

Memory corruption in Qualcomm Snapdragon Data Network Stack and Connectivity allows remote attackers to corrupt memory via RTP packets. During NALU reassembly, the component performs an out-of-bounds memory operation while processing network-supplied RTP data. No authentication or user interaction is required; Qualcomm has not disclosed whether the operation reads or writes out of bounds or named the affected routine.

CVSS severity9.8
Critical
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory corruption in Qualcomm Snapdragon Data Network Stack and Connectivity allows remote attackers to corrupt memory via RTP packets. During NALU reassembly, the component performs an out-of-bounds memory operation while processing network-supplied RTP data. No authentication or user interaction is required; Qualcomm has not disclosed whether the operation reads or writes out of bounds or named the affected routine.

The record

CVE
CVE-2025-21483
Published
Sep 24, 2025
Updated
Sep 24, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-119, T1210
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 24, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 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=APQ8017
  2. Affected versionversion=APQ8064AU
  3. Affected versionversion=AQT1000
  4. Affected versionversion=FastConnect 6200
  5. Affected versionversion=FastConnect 6700
  6. Affected versionversion=FastConnect 6800
  7. Affected versionversion=FastConnect 6900
  8. Affected versionversion=FastConnect 7800
  9. Affected versionversion=MSM8996AU
  10. Affected versionversion=QAM8255P
  11. Affected versionversion=QAM8295P
  12. Affected versionversion=QAM8620P
  13. Affected versionversion=QAM8650P
  14. Affected versionversion=QAM8775P
  15. Affected versionversion=QAMSRV1H
  16. Affected versionversion=QAMSRV1M
  17. Affected versionversion=QCA6310
  18. Affected versionversion=QCA6320
  19. Affected versionversion=QCA6335
  20. Affected versionversion=QCA6391
  21. Affected versionversion=QCA6420
  22. Affected versionversion=QCA6426
  23. Affected versionversion=QCA6430
  24. Affected versionversion=QCA6436
  25. Affected versionversion=QCA6564
  26. Affected versionversion=QCA6564A
  27. Affected versionversion=QCA6564AU
  28. Affected versionversion=QCA6574
  29. Affected versionversion=QCA6574A
  30. Affected versionversion=QCA6574AU
  31. Affected versionversion=QCA6595
  32. Affected versionversion=QCA6595AU
  33. Affected versionversion=QCA6678AQ
  34. Affected versionversion=QCA6688AQ
  35. Affected versionversion=QCA6696
  36. Affected versionversion=QCA6698AQ
  37. Affected versionversion=QCA6797AQ
  38. Affected versionversion=QCM2150
  39. Affected versionversion=QCM2290
  40. Affected versionversion=QCM4290
  41. Affected versionversion=QCM4325
  42. Affected versionversion=QCM4490
  43. Affected versionversion=QCM5430
  44. Affected versionversion=QCM6125
  45. Affected versionversion=QCM6490
  46. Affected versionversion=QCM8550
  47. Affected versionversion=QCN9274
  48. Affected versionversion=QCS2290
  49. Affected versionversion=QCS410
  50. Affected versionversion=QCS4290
  51. Affected versionversion=QCS4490
  52. Affected versionversion=QCS5430
  53. Affected versionversion=QCS610
  54. Affected versionversion=QCS6125
  55. Affected versionversion=QCS615
  56. Affected versionversion=QCS6490
  57. Affected versionversion=QCS8300
  58. Affected versionversion=QCS8550
  59. Affected versionversion=QCS9100
  60. Affected versionversion=QMP1000
  61. Affected versionversion=Qualcomm 205 Mobile Platform
  62. Affected versionversion=Qualcomm 215 Mobile Platform
  63. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  64. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  65. Affected versionversion=Robotics RB3 Platform
  66. Affected versionversion=SA4150P
  67. Affected versionversion=SA4155P
  68. Affected versionversion=SA6145P
  69. Affected versionversion=SA6150P
  70. Affected versionversion=SA6155
  71. Affected versionversion=SA6155P
  72. Affected versionversion=SA7255P
  73. Affected versionversion=SA7775P
  74. Affected versionversion=SA8145P
  75. Affected versionversion=SA8150P
  76. Affected versionversion=SA8155
  77. Affected versionversion=SA8155P
  78. Affected versionversion=SA8195P
  79. Affected versionversion=SA8255P
  80. Affected versionversion=SA8295P
  81. Affected versionversion=SA8620P
  82. Affected versionversion=SA8650P
  83. Affected versionversion=SA8770P
  84. Affected versionversion=SA8775P
  85. Affected versionversion=SA9000P
  86. Affected versionversion=SD626
  87. Affected versionversion=SD660
  88. Affected versionversion=SD670
  89. Affected versionversion=SD675
  90. Affected versionversion=SD 675
  91. Affected versionversion=SD730
  92. Affected versionversion=SD835
  93. Affected versionversion=SD855
  94. Affected versionversion=SD865 5G
  95. Affected versionversion=SD888
  96. Affected versionversion=SD 8 Gen1 5G
  97. Affected versionversion=SDM429W
  98. Affected versionversion=SDX55
  99. Affected versionversion=SG4150P
  100. Affected versionversion=SM4125
  101. Affected versionversion=SM4635
  102. Affected versionversion=SM6250
  103. Affected versionversion=SM6370
  104. Affected versionversion=SM6650
  105. Affected versionversion=SM7250P
  106. Affected versionversion=SM7315
  107. Affected versionversion=SM7325P
  108. Affected versionversion=SM7635
  109. Affected versionversion=SM7675
  110. Affected versionversion=SM7675P
  111. Affected versionversion=SM8550P
  112. Affected versionversion=SM8635
  113. Affected versionversion=SM8635P
  114. Affected versionversion=SM8650Q
  115. Affected versionversion=SM8735
  116. Affected versionversion=SM8750
  117. Affected versionversion=SM8750P
  118. Affected versionversion=Smart Display 200 Platform (APQ5053-AA)
  119. Affected versionversion=Snapdragon 210 Processor
  120. Affected versionversion=Snapdragon 212 Mobile Platform
  121. Affected versionversion=Snapdragon 425 Mobile Platform
  122. Affected versionversion=Snapdragon 429 Mobile Platform
  123. Affected versionversion=Snapdragon 439 Mobile Platform
  124. Affected versionversion=Snapdragon 460 Mobile Platform
  125. Affected versionversion=Snapdragon 480 5G Mobile Platform
  126. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  127. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  128. Affected versionversion=Snapdragon 4 Gen 2 Mobile Platform
  129. Affected versionversion=Snapdragon 625 Mobile Platform
  130. Affected versionversion=Snapdragon 626 Mobile Platform
  131. Affected versionversion=Snapdragon 630 Mobile Platform
  132. Affected versionversion=Snapdragon 632 Mobile Platform
  133. Affected versionversion=Snapdragon 636 Mobile Platform
  134. Affected versionversion=Snapdragon 660 Mobile Platform
  135. Affected versionversion=Snapdragon 662 Mobile Platform
  136. Affected versionversion=Snapdragon 670 Mobile Platform
  137. Affected versionversion=Snapdragon 675 Mobile Platform
  138. Affected versionversion=Snapdragon 678 Mobile Platform (SM6150-AC)
  139. Affected versionversion=Snapdragon 680 4G Mobile Platform
  140. Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
  141. Affected versionversion=Snapdragon 690 5G Mobile Platform
  142. Affected versionversion=Snapdragon 695 5G Mobile Platform
  143. Affected versionversion=Snapdragon 710 Mobile Platform
  144. Affected versionversion=Snapdragon 720G Mobile Platform
  145. Affected versionversion=Snapdragon 730G Mobile Platform (SM7150-AB)
  146. Affected versionversion=Snapdragon 730 Mobile Platform (SM7150-AA)
  147. Affected versionversion=Snapdragon 732G Mobile Platform (SM7150-AC)
  148. Affected versionversion=Snapdragon 750G 5G Mobile Platform
  149. Affected versionversion=Snapdragon 765 5G Mobile Platform (SM7250-AA)
  150. Affected versionversion=Snapdragon 765G 5G Mobile Platform (SM7250-AB)
  151. Affected versionversion=Snapdragon 768G 5G Mobile Platform (SM7250-AC)
  152. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  153. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  154. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  155. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  156. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  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 888 5G Mobile Platform
  166. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  167. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  168. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  169. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  170. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  171. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  172. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  173. Affected versionversion=Snapdragon X50 5G Modem-RF System
  174. Affected versionversion=Snapdragon X55 5G Modem-RF System
  175. Affected versionversion=Snapdragon XR1 Platform
  176. Affected versionversion=Snapdragon XR2 5G Platform
  177. Affected versionversion=Snapdragon XR2+ Gen 1 Platform
  178. Affected versionversion=SRV1H
  179. Affected versionversion=SRV1L
  180. Affected versionversion=SRV1M
  181. Affected versionversion=SW5100
  182. Affected versionversion=SW5100P
  183. Affected versionversion=SXR1120
  184. Affected versionversion=SXR2130
  185. Affected versionversion=TalynPlus
  186. Affected versionversion=Vision Intelligence 100 Platform (APQ8053-AA)
  187. Affected versionversion=Vision Intelligence 200 Platform (APQ8053-AC)
  188. Affected versionversion=WCD9326
  189. Affected versionversion=WCD9335
  190. Affected versionversion=WCD9340
  191. Affected versionversion=WCD9341
  192. Affected versionversion=WCD9370
  193. Affected versionversion=WCD9371
  194. Affected versionversion=WCD9375
  195. Affected versionversion=WCD9378
  196. Affected versionversion=WCD9380
  197. Affected versionversion=WCD9385
  198. Affected versionversion=WCD9390
  199. Affected versionversion=WCD9395
  200. Affected versionversion=WCN3610
  201. Affected versionversion=WCN3615
  202. Affected versionversion=WCN3620
  203. Affected versionversion=WCN3660B
  204. Affected versionversion=WCN3680
  205. Affected versionversion=WCN3680B
  206. Affected versionversion=WCN3910
  207. Affected versionversion=WCN3950
  208. Affected versionversion=WCN3980
  209. Affected versionversion=WCN3988
  210. Affected versionversion=WCN3990
  211. Affected versionversion=WCN6450
  212. Affected versionversion=WCN6650
  213. Affected versionversion=WCN6740
  214. Affected versionversion=WCN6755
  215. Affected versionversion=WCN7750
  216. Affected versionversion=WCN7860
  217. Affected versionversion=WCN7861
  218. Affected versionversion=WCN7880
  219. Affected versionversion=WCN7881
  220. Affected versionversion=WSA8810
  221. Affected versionversion=WSA8815
  222. Affected versionversion=WSA8830
  223. Affected versionversion=WSA8832
  224. Affected versionversion=WSA8835
  225. Affected versionversion=WSA8840
  226. Affected versionversion=WSA8845
  227. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=APQ8017; version=APQ8064AU; version=AQT1000; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=MSM8996AU; version=QAM8255P; version=QAM8295P; version=QAM8620P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA6310; version=QCA6320; version=QCA6335; version=QCA6391; version=QCA6420; version=QCA6426; version=QCA6430; version=QCA6436; version=QCA6564; version=QCA6564A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6595; version=QCA6595AU; version=QCA6678AQ; version=QCA6688AQ; version=QCA6696; version=QCA6698AQ; version=QCA6797AQ; version=QCM2150; version=QCM2290; version=QCM4290; version=QCM4325; version=QCM4490; version=QCM5430; version=QCM6125; version=QCM6490; version=QCM8550; version=QCN9274; version=QCS2290; version=QCS410; version=QCS4290; version=QCS4490; version=QCS5430; version=QCS610; version=QCS6125; version=QCS615; version=QCS6490; version=QCS8300; version=QCS8550; version=QCS9100; version=QMP1000; version=Qualcomm 205 Mobile Platform; version=Qualcomm 215 Mobile Platform; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Robotics RB3 Platform; 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=SA8620P; version=SA8650P; version=SA8770P; version=SA8775P; version=SA9000P; version=SD626; version=SD660; version=SD670; version=SD675; version=SD 675; version=SD730; version=SD835; version=SD855; version=SD865 5G; version=SD888; version=SD 8 Gen1 5G; version=SDM429W; version=SDX55; version=SG4150P; version=SM4125; version=SM4635; version=SM6250; version=SM6370; version=SM6650; version=SM7250P; 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 Display 200 Platform (APQ5053-AA); version=Snapdragon 210 Processor; version=Snapdragon 212 Mobile Platform; version=Snapdragon 425 Mobile Platform; version=Snapdragon 429 Mobile Platform; version=Snapdragon 439 Mobile Platform; 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 625 Mobile Platform; version=Snapdragon 626 Mobile Platform; version=Snapdragon 630 Mobile Platform; version=Snapdragon 632 Mobile Platform; version=Snapdragon 636 Mobile Platform; version=Snapdragon 660 Mobile Platform; version=Snapdragon 662 Mobile Platform; version=Snapdragon 670 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 695 5G Mobile Platform; version=Snapdragon 710 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 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 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 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 W5+ Gen 1 Wearable Platform; version=Snapdragon X50 5G Modem-RF System; version=Snapdragon X55 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=TalynPlus; version=Vision Intelligence 100 Platform (APQ8053-AA); version=Vision Intelligence 200 Platform (APQ8053-AC); version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9371; version=WCD9375; version=WCD9378; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3610; version=WCN3615; version=WCN3620; version=WCN3660B; version=WCN3680; version=WCN3680B; 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

9.8Qualcomm, Inc.CVSS: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-119Improper Restriction of Operations within the Bounds of a Memory Buffer
T1210Exploitation of Remote Services

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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