CVE-2025-21481

Local trusted-application memory corruption

Published Sep 24, 2025 · Updated Sep 24, 2025

Buffer overflow in Qualcomm Snapdragon trusted applications allows local users to corrupt memory during private key encryption. The public record maps the flaw to CWE-120 but does not name the affected function, destination buffer, or unchecked input length. Low-privilege local access is required; Qualcomm has not published whether exploitation causes a crash, code execution, or another concrete outcome.

CVSS severity7.8
High
EPSS probability0.07%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in Qualcomm Snapdragon trusted applications allows local users to corrupt memory during private key encryption. The public record maps the flaw to CWE-120 but does not name the affected function, destination buffer, or unchecked input length. Low-privilege local access is required; Qualcomm has not published whether exploitation causes a crash, code execution, or another concrete outcome.

The record

CVE
CVE-2025-21481
Published
Sep 24, 2025
Updated
Sep 24, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-120
Attack vector
local
Privileges
authenticated

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=315 5G IoT Modem
  2. Affected versionversion=AQT1000
  3. Affected versionversion=AR8031
  4. Affected versionversion=AR8035
  5. Affected versionversion=CSRA6620
  6. Affected versionversion=CSRA6640
  7. Affected versionversion=C-V2X 9150
  8. Affected versionversion=FastConnect 6200
  9. Affected versionversion=FastConnect 6700
  10. Affected versionversion=FastConnect 6800
  11. Affected versionversion=FastConnect 6900
  12. Affected versionversion=FastConnect 7800
  13. Affected versionversion=Flight RB5 5G Platform
  14. Affected versionversion=QAM8255P
  15. Affected versionversion=QAM8295P
  16. Affected versionversion=QAM8620P
  17. Affected versionversion=QAM8650P
  18. Affected versionversion=QAM8775P
  19. Affected versionversion=QAMSRV1H
  20. Affected versionversion=QAMSRV1M
  21. Affected versionversion=QCA6174A
  22. Affected versionversion=QCA6391
  23. Affected versionversion=QCA6420
  24. Affected versionversion=QCA6421
  25. Affected versionversion=QCA6426
  26. Affected versionversion=QCA6430
  27. Affected versionversion=QCA6431
  28. Affected versionversion=QCA6436
  29. Affected versionversion=QCA6574
  30. Affected versionversion=QCA6574A
  31. Affected versionversion=QCA6574AU
  32. Affected versionversion=QCA6584AU
  33. Affected versionversion=QCA6595
  34. Affected versionversion=QCA6595AU
  35. Affected versionversion=QCA6678AQ
  36. Affected versionversion=QCA6688AQ
  37. Affected versionversion=QCA6696
  38. Affected versionversion=QCA6698AQ
  39. Affected versionversion=QCA6797AQ
  40. Affected versionversion=QCA8081
  41. Affected versionversion=QCA8337
  42. Affected versionversion=QCC710
  43. Affected versionversion=QCM2290
  44. Affected versionversion=QCM4290
  45. Affected versionversion=QCM5430
  46. Affected versionversion=QCM6125
  47. Affected versionversion=QCM6490
  48. Affected versionversion=QCM8550
  49. Affected versionversion=QCN6024
  50. Affected versionversion=QCN6224
  51. Affected versionversion=QCN6274
  52. Affected versionversion=QCN7606
  53. Affected versionversion=QCN9024
  54. Affected versionversion=QCN9074
  55. Affected versionversion=QCN9274
  56. Affected versionversion=QCS2290
  57. Affected versionversion=QCS410
  58. Affected versionversion=QCS4290
  59. Affected versionversion=QCS5430
  60. Affected versionversion=QCS610
  61. Affected versionversion=QCS6125
  62. Affected versionversion=QCS6490
  63. Affected versionversion=QCS8300
  64. Affected versionversion=QCS8550
  65. Affected versionversion=QCS9100
  66. Affected versionversion=QDU1000
  67. Affected versionversion=QDU1010
  68. Affected versionversion=QDU1110
  69. Affected versionversion=QDU1210
  70. Affected versionversion=QDX1010
  71. Affected versionversion=QDX1011
  72. Affected versionversion=QEP8111
  73. Affected versionversion=QFW7114
  74. Affected versionversion=QFW7124
  75. Affected versionversion=QMP1000
  76. Affected versionversion=QRB5165M
  77. Affected versionversion=QRB5165N
  78. Affected versionversion=QRU1032
  79. Affected versionversion=QRU1052
  80. Affected versionversion=QRU1062
  81. Affected versionversion=QSM8250
  82. Affected versionversion=QSM8350
  83. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  84. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  85. Affected versionversion=Robotics RB2 Platform
  86. Affected versionversion=Robotics RB5 Platform
  87. Affected versionversion=SA2150P
  88. Affected versionversion=SA4150P
  89. Affected versionversion=SA4155P
  90. Affected versionversion=SA6145P
  91. Affected versionversion=SA6150P
  92. Affected versionversion=SA6155
  93. Affected versionversion=SA6155P
  94. Affected versionversion=SA7255P
  95. Affected versionversion=SA7775P
  96. Affected versionversion=SA8145P
  97. Affected versionversion=SA8150P
  98. Affected versionversion=SA8155
  99. Affected versionversion=SA8155P
  100. Affected versionversion=SA8195P
  101. Affected versionversion=SA8255P
  102. Affected versionversion=SA8295P
  103. Affected versionversion=SA8530P
  104. Affected versionversion=SA8540P
  105. Affected versionversion=SA8620P
  106. Affected versionversion=SA8650P
  107. Affected versionversion=SA8770P
  108. Affected versionversion=SA8775P
  109. Affected versionversion=SA9000P
  110. Affected versionversion=SC8180X+SDX55
  111. Affected versionversion=SC8380XP
  112. Affected versionversion=SD670
  113. Affected versionversion=SD675
  114. Affected versionversion=SD 675
  115. Affected versionversion=SD730
  116. Affected versionversion=SD855
  117. Affected versionversion=SD865 5G
  118. Affected versionversion=SD888
  119. Affected versionversion=SD 8 Gen1 5G
  120. Affected versionversion=SDX55
  121. Affected versionversion=SDX61
  122. Affected versionversion=SG4150P
  123. Affected versionversion=SM4125
  124. Affected versionversion=SM4635
  125. Affected versionversion=SM6250
  126. Affected versionversion=SM6250P
  127. Affected versionversion=SM6370
  128. Affected versionversion=SM6650
  129. Affected versionversion=SM7250P
  130. Affected versionversion=SM7315
  131. Affected versionversion=SM7325P
  132. Affected versionversion=SM7635
  133. Affected versionversion=SM7675
  134. Affected versionversion=SM7675P
  135. Affected versionversion=SM8635
  136. Affected versionversion=SM8635P
  137. Affected versionversion=SM8650Q
  138. Affected versionversion=SM8735
  139. Affected versionversion=SM8750
  140. Affected versionversion=SM8750P
  141. Affected versionversion=Smart Audio 400 Platform
  142. Affected versionversion=Snapdragon 460 Mobile Platform
  143. Affected versionversion=Snapdragon 480 5G Mobile Platform
  144. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  145. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  146. Affected versionversion=Snapdragon 662 Mobile Platform
  147. Affected versionversion=Snapdragon 665 Mobile Platform
  148. Affected versionversion=Snapdragon 670 Mobile Platform
  149. Affected versionversion=Snapdragon 675 Mobile Platform
  150. Affected versionversion=Snapdragon 678 Mobile Platform (SM6150-AC)
  151. Affected versionversion=Snapdragon 680 4G Mobile Platform
  152. Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
  153. Affected versionversion=Snapdragon 690 5G Mobile Platform
  154. Affected versionversion=Snapdragon 695 5G Mobile Platform
  155. Affected versionversion=Snapdragon 710 Mobile Platform
  156. Affected versionversion=Snapdragon 720G Mobile Platform
  157. Affected versionversion=Snapdragon 730G Mobile Platform (SM7150-AB)
  158. Affected versionversion=Snapdragon 730 Mobile Platform (SM7150-AA)
  159. Affected versionversion=Snapdragon 732G Mobile Platform (SM7150-AC)
  160. Affected versionversion=Snapdragon 750G 5G Mobile Platform
  161. Affected versionversion=Snapdragon 765 5G Mobile Platform (SM7250-AA)
  162. Affected versionversion=Snapdragon 765G 5G Mobile Platform (SM7250-AB)
  163. Affected versionversion=Snapdragon 768G 5G Mobile Platform (SM7250-AC)
  164. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  165. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  166. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  167. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  168. Affected versionversion=Snapdragon 7c Compute Platform (SC7180-AC)
  169. Affected versionversion=Snapdragon 7c Gen 2 Compute Platform (SC7180-AD) "Rennell Pro"
  170. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  171. Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
  172. Affected versionversion=Snapdragon 855 Mobile Platform
  173. Affected versionversion=Snapdragon 865 5G Mobile Platform
  174. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  175. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  176. Affected versionversion=Snapdragon 888 5G Mobile Platform
  177. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  178. Affected versionversion=Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite"
  179. Affected versionversion=Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite"
  180. Affected versionversion=Snapdragon 8cx Compute Platform (SC8180X-AA, AB)
  181. Affected versionversion=Snapdragon 8cx Compute Platform (SC8180XP-AC, AF) "Poipu Pro"
  182. Affected versionversion=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro"
  183. Affected versionversion=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA, AB)
  184. Affected versionversion=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB)
  185. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  186. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  187. Affected versionversion=Snapdragon Auto 4G Modem
  188. Affected versionversion=Snapdragon Auto 5G Modem-RF
  189. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  190. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  191. Affected versionversion=Snapdragon X35 5G Modem-RF System
  192. Affected versionversion=Snapdragon X50 5G Modem-RF System
  193. Affected versionversion=Snapdragon X55 5G Modem-RF System
  194. Affected versionversion=Snapdragon X62 5G Modem-RF System
  195. Affected versionversion=Snapdragon X65 5G Modem-RF System
  196. Affected versionversion=Snapdragon X72 5G Modem-RF System
  197. Affected versionversion=Snapdragon X75 5G Modem-RF System
  198. Affected versionversion=Snapdragon XR1 Platform
  199. Affected versionversion=Snapdragon XR2 5G Platform
  200. Affected versionversion=Snapdragon XR2+ Gen 1 Platform
  201. Affected versionversion=SRV1H
  202. Affected versionversion=SRV1L
  203. Affected versionversion=SRV1M
  204. Affected versionversion=SW5100
  205. Affected versionversion=SW5100P
  206. Affected versionversion=SXR1120
  207. Affected versionversion=SXR2130
  208. Affected versionversion=SXR2330P
  209. Affected versionversion=WCD9326
  210. Affected versionversion=WCD9335
  211. Affected versionversion=WCD9340
  212. Affected versionversion=WCD9341
  213. Affected versionversion=WCD9360
  214. Affected versionversion=WCD9370
  215. Affected versionversion=WCD9371
  216. Affected versionversion=WCD9375
  217. Affected versionversion=WCD9378
  218. Affected versionversion=WCD9380
  219. Affected versionversion=WCD9385
  220. Affected versionversion=WCD9390
  221. Affected versionversion=WCD9395
  222. Affected versionversion=WCN3910
  223. Affected versionversion=WCN3950
  224. Affected versionversion=WCN3980
  225. Affected versionversion=WCN3988
  226. Affected versionversion=WCN3990
  227. Affected versionversion=WCN3999
  228. Affected versionversion=WCN6450
  229. Affected versionversion=WCN6650
  230. Affected versionversion=WCN6740
  231. Affected versionversion=WCN6755
  232. Affected versionversion=WCN7750
  233. Affected versionversion=WCN7860
  234. Affected versionversion=WCN7861
  235. Affected versionversion=WCN7880
  236. Affected versionversion=WCN7881
  237. Affected versionversion=WSA8810
  238. Affected versionversion=WSA8815
  239. Affected versionversion=WSA8830
  240. Affected versionversion=WSA8832
  241. Affected versionversion=WSA8835
  242. Affected versionversion=WSA8840
  243. Affected versionversion=WSA8845
  244. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=315 5G IoT Modem; version=AQT1000; version=AR8031; version=AR8035; version=CSRA6620; version=CSRA6640; version=C-V2X 9150; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=Flight RB5 5G Platform; version=QAM8255P; version=QAM8295P; version=QAM8620P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA6174A; version=QCA6391; version=QCA6420; version=QCA6421; version=QCA6426; version=QCA6430; version=QCA6431; version=QCA6436; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6678AQ; version=QCA6688AQ; version=QCA6696; version=QCA6698AQ; version=QCA6797AQ; version=QCA8081; version=QCA8337; version=QCC710; version=QCM2290; version=QCM4290; version=QCM5430; version=QCM6125; version=QCM6490; version=QCM8550; version=QCN6024; version=QCN6224; version=QCN6274; version=QCN7606; version=QCN9024; version=QCN9074; version=QCN9274; version=QCS2290; version=QCS410; version=QCS4290; version=QCS5430; version=QCS610; version=QCS6125; version=QCS6490; version=QCS8300; version=QCS8550; version=QCS9100; version=QDU1000; version=QDU1010; version=QDU1110; version=QDU1210; version=QDX1010; version=QDX1011; version=QEP8111; version=QFW7114; version=QFW7124; version=QMP1000; version=QRB5165M; version=QRB5165N; version=QRU1032; version=QRU1052; version=QRU1062; version=QSM8250; version=QSM8350; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Robotics RB2 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=SC8180X+SDX55; version=SC8380XP; version=SD670; version=SD675; version=SD 675; version=SD730; version=SD855; version=SD865 5G; version=SD888; version=SD 8 Gen1 5G; version=SDX55; version=SDX61; version=SG4150P; version=SM4125; version=SM4635; version=SM6250; version=SM6250P; version=SM6370; version=SM6650; version=SM7250P; version=SM7315; version=SM7325P; version=SM7635; version=SM7675; version=SM7675P; version=SM8635; version=SM8635P; version=SM8650Q; version=SM8735; version=SM8750; version=SM8750P; version=Smart Audio 400 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 662 Mobile Platform; version=Snapdragon 665 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 Compute Platform (SC7180-AC); version=Snapdragon 7c Gen 2 Compute Platform (SC7180-AD) "Rennell Pro"; version=Snapdragon 7c+ Gen 3 Compute; 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 8c Compute Platform (SC8180X-AD) "Poipu Lite"; version=Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite"; version=Snapdragon 8cx Compute Platform (SC8180X-AA, AB); version=Snapdragon 8cx Compute Platform (SC8180XP-AC, AF) "Poipu Pro"; version=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro"; version=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA, AB); version=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB); version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8 Gen 3 Mobile 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 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=SXR2330P; version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9371; version=WCD9375; version=WCD9378; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN3999; 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-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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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