CVE-2022-33285Network attack vector

Transient service interruption via malformed CSA frames

Published Jan 6, 2023 · Updated Apr 9, 2025

Buffer over-read in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt service with crafted CSA action frames. The frame parser reads past the supplied buffer while processing a channel switch announcement action frame. No authentication or user interaction is required, and the reported consequence is a transient interruption rather than data disclosure or code execution.

CVSS severity7.5
High
EPSS probability0.38%
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 firmware allows remote attackers to interrupt service with crafted CSA action frames. The frame parser reads past the supplied buffer while processing a channel switch announcement action frame. No authentication or user interaction is required, and the reported consequence is a transient interruption rather than data disclosure or code execution.

The record

CVE
CVE-2022-33285
Published
Jan 6, 2023
Updated
Apr 9, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-787, CWE-125, T1498
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 9, 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=APQ8009
  2. Affected versionversion=APQ8017
  3. Affected versionversion=APQ8064AU
  4. Affected versionversion=APQ8076
  5. Affected versionversion=APQ8096AU
  6. Affected versionversion=AQT1000
  7. Affected versionversion=AR8031
  8. Affected versionversion=AR8035
  9. Affected versionversion=AR9380
  10. Affected versionversion=CSR8811
  11. Affected versionversion=CSRA6620
  12. Affected versionversion=CSRA6640
  13. Affected versionversion=CSRB31024
  14. Affected versionversion=IPQ4018
  15. Affected versionversion=IPQ4028
  16. Affected versionversion=IPQ4029
  17. Affected versionversion=IPQ5010
  18. Affected versionversion=IPQ5018
  19. Affected versionversion=IPQ5028
  20. Affected versionversion=IPQ6000
  21. Affected versionversion=IPQ6010
  22. Affected versionversion=IPQ6018
  23. Affected versionversion=IPQ6028
  24. Affected versionversion=IPQ8064
  25. Affected versionversion=IPQ8065
  26. Affected versionversion=IPQ8068
  27. Affected versionversion=IPQ8069
  28. Affected versionversion=IPQ8070
  29. Affected versionversion=IPQ8070A
  30. Affected versionversion=IPQ8071
  31. Affected versionversion=IPQ8071A
  32. Affected versionversion=IPQ8072
  33. Affected versionversion=IPQ8072A
  34. Affected versionversion=IPQ8074
  35. Affected versionversion=IPQ8074A
  36. Affected versionversion=IPQ8076
  37. Affected versionversion=IPQ8076A
  38. Affected versionversion=IPQ8078
  39. Affected versionversion=IPQ8078A
  40. Affected versionversion=IPQ8173
  41. Affected versionversion=IPQ8174
  42. Affected versionversion=IPQ9008
  43. Affected versionversion=IPQ9574
  44. Affected versionversion=MDM8215
  45. Affected versionversion=MDM9206
  46. Affected versionversion=MDM9215
  47. Affected versionversion=MDM9250
  48. Affected versionversion=MDM9310
  49. Affected versionversion=MDM9607
  50. Affected versionversion=MDM9615
  51. Affected versionversion=MDM9628
  52. Affected versionversion=MDM9640
  53. Affected versionversion=MDM9645
  54. Affected versionversion=MDM9650
  55. Affected versionversion=MSM8976
  56. Affected versionversion=MSM8996AU
  57. Affected versionversion=PMP8074
  58. Affected versionversion=QAM8295P
  59. Affected versionversion=QCA1062
  60. Affected versionversion=QCA1064
  61. Affected versionversion=QCA2062
  62. Affected versionversion=QCA2064
  63. Affected versionversion=QCA2065
  64. Affected versionversion=QCA2066
  65. Affected versionversion=QCA4020
  66. Affected versionversion=QCA4024
  67. Affected versionversion=QCA4531
  68. Affected versionversion=QCA6174
  69. Affected versionversion=QCA6174A
  70. Affected versionversion=QCA6175A
  71. Affected versionversion=QCA6310
  72. Affected versionversion=QCA6320
  73. Affected versionversion=QCA6335
  74. Affected versionversion=QCA6390
  75. Affected versionversion=QCA6391
  76. Affected versionversion=QCA6420
  77. Affected versionversion=QCA6421
  78. Affected versionversion=QCA6426
  79. Affected versionversion=QCA6428
  80. Affected versionversion=QCA6430
  81. Affected versionversion=QCA6431
  82. Affected versionversion=QCA6436
  83. Affected versionversion=QCA6438
  84. Affected versionversion=QCA6554A
  85. Affected versionversion=QCA6564
  86. Affected versionversion=QCA6564A
  87. Affected versionversion=QCA6564AU
  88. Affected versionversion=QCA6574
  89. Affected versionversion=QCA6574A
  90. Affected versionversion=QCA6574AU
  91. Affected versionversion=QCA6584
  92. Affected versionversion=QCA6584AU
  93. Affected versionversion=QCA6595
  94. Affected versionversion=QCA6595AU
  95. Affected versionversion=QCA6696
  96. Affected versionversion=QCA8072
  97. Affected versionversion=QCA8075
  98. Affected versionversion=QCA8081
  99. Affected versionversion=QCA8082
  100. Affected versionversion=QCA8084
  101. Affected versionversion=QCA8085
  102. Affected versionversion=QCA8337
  103. Affected versionversion=QCA8386
  104. Affected versionversion=QCA9367
  105. Affected versionversion=QCA9377
  106. Affected versionversion=QCA9379
  107. Affected versionversion=QCA9886
  108. Affected versionversion=QCA9888
  109. Affected versionversion=QCA9889
  110. Affected versionversion=QCA9898
  111. Affected versionversion=QCA9980
  112. Affected versionversion=QCA9984
  113. Affected versionversion=QCA9985
  114. Affected versionversion=QCA9986
  115. Affected versionversion=QCA9990
  116. Affected versionversion=QCA9992
  117. Affected versionversion=QCA9994
  118. Affected versionversion=QCC5100
  119. Affected versionversion=QCM2290
  120. Affected versionversion=QCM4290
  121. Affected versionversion=QCM6125
  122. Affected versionversion=QCM6490
  123. Affected versionversion=QCN5021
  124. Affected versionversion=QCN5022
  125. Affected versionversion=QCN5024
  126. Affected versionversion=QCN5052
  127. Affected versionversion=QCN5054
  128. Affected versionversion=QCN5122
  129. Affected versionversion=QCN5124
  130. Affected versionversion=QCN5152
  131. Affected versionversion=QCN5154
  132. Affected versionversion=QCN5164
  133. Affected versionversion=QCN6023
  134. Affected versionversion=QCN6024
  135. Affected versionversion=QCN6100
  136. Affected versionversion=QCN6102
  137. Affected versionversion=QCN6112
  138. Affected versionversion=QCN6122
  139. Affected versionversion=QCN6132
  140. Affected versionversion=QCN7605
  141. Affected versionversion=QCN7606
  142. Affected versionversion=QCN9000
  143. Affected versionversion=QCN9001
  144. Affected versionversion=QCN9002
  145. Affected versionversion=QCN9003
  146. Affected versionversion=QCN9011
  147. Affected versionversion=QCN9012
  148. Affected versionversion=QCN9022
  149. Affected versionversion=QCN9024
  150. Affected versionversion=QCN9070
  151. Affected versionversion=QCN9072
  152. Affected versionversion=QCN9074
  153. Affected versionversion=QCN9100
  154. Affected versionversion=QCN9274
  155. Affected versionversion=QCS2290
  156. Affected versionversion=QCS405
  157. Affected versionversion=QCS410
  158. Affected versionversion=QCS4290
  159. Affected versionversion=QCS603
  160. Affected versionversion=QCS605
  161. Affected versionversion=QCS610
  162. Affected versionversion=QCS6125
  163. Affected versionversion=QCS6490
  164. Affected versionversion=QCX315
  165. Affected versionversion=QRB5165
  166. Affected versionversion=QRB5165M
  167. Affected versionversion=QRB5165N
  168. Affected versionversion=QSM8250
  169. Affected versionversion=QSM8350
  170. Affected versionversion=SA4150P
  171. Affected versionversion=SA415M
  172. Affected versionversion=SA515M
  173. Affected versionversion=SA6145P
  174. Affected versionversion=SA6150P
  175. Affected versionversion=SA6155
  176. Affected versionversion=SA6155P
  177. Affected versionversion=SA8145P
  178. Affected versionversion=SA8150P
  179. Affected versionversion=SA8155
  180. Affected versionversion=SA8155P
  181. Affected versionversion=SA8195P
  182. Affected versionversion=SA8295P
  183. Affected versionversion=SC8180X+SDX55
  184. Affected versionversion=SD 455
  185. Affected versionversion=SD460
  186. Affected versionversion=SD480
  187. Affected versionversion=SD 636
  188. Affected versionversion=SD660
  189. Affected versionversion=SD662
  190. Affected versionversion=SD665
  191. Affected versionversion=SD670
  192. Affected versionversion=SD675
  193. Affected versionversion=SD 675
  194. Affected versionversion=SD678
  195. Affected versionversion=SD680
  196. Affected versionversion=SD690 5G
  197. Affected versionversion=SD695
  198. Affected versionversion=SD710
  199. Affected versionversion=SD712
  200. Affected versionversion=SD720G
  201. Affected versionversion=SD730
  202. Affected versionversion=SD750G
  203. Affected versionversion=SD765
  204. Affected versionversion=SD765G
  205. Affected versionversion=SD768G
  206. Affected versionversion=SD778G
  207. Affected versionversion=SD780G
  208. Affected versionversion=SD7c
  209. Affected versionversion=SD820
  210. Affected versionversion=SD821
  211. Affected versionversion=SD835
  212. Affected versionversion=SD845
  213. Affected versionversion=SD850
  214. Affected versionversion=SD855
  215. Affected versionversion=SD865 5G
  216. Affected versionversion=SD870
  217. Affected versionversion=SD888
  218. Affected versionversion=SD888 5G
  219. Affected versionversion=SD 8CX
  220. Affected versionversion=SD 8cx Gen2
  221. Affected versionversion=SD 8cx Gen3
  222. Affected versionversion=SD 8 Gen1 5G
  223. Affected versionversion=SDM630
  224. Affected versionversion=SDX12
  225. Affected versionversion=SDX20
  226. Affected versionversion=SDX20M
  227. Affected versionversion=SDX24
  228. Affected versionversion=SDX50M
  229. Affected versionversion=SDX55
  230. Affected versionversion=SDX55M
  231. Affected versionversion=SDX65
  232. Affected versionversion=SDXR1
  233. Affected versionversion=SDXR2 5G
  234. Affected versionversion=SM4125
  235. Affected versionversion=SM4375
  236. Affected versionversion=SM6250
  237. Affected versionversion=SM6250P
  238. Affected versionversion=SM7250P
  239. Affected versionversion=SM7315
  240. Affected versionversion=SM7325P
  241. Affected versionversion=SW5100
  242. Affected versionversion=SW5100P
  243. Affected versionversion=SXR2150P
  244. Affected versionversion=WCD9326
  245. Affected versionversion=WCD9330
  246. Affected versionversion=WCD9335
  247. Affected versionversion=WCD9340
  248. Affected versionversion=WCD9341
  249. Affected versionversion=WCD9360
  250. Affected versionversion=WCD9370
  251. Affected versionversion=WCD9371
  252. Affected versionversion=WCD9375
  253. Affected versionversion=WCD9380
  254. Affected versionversion=WCD9385
  255. Affected versionversion=WCN3610
  256. Affected versionversion=WCN3615
  257. Affected versionversion=WCN3660B
  258. Affected versionversion=WCN3680B
  259. Affected versionversion=WCN3910
  260. Affected versionversion=WCN3950
  261. Affected versionversion=WCN3980
  262. Affected versionversion=WCN3988
  263. Affected versionversion=WCN3990
  264. Affected versionversion=WCN3991
  265. Affected versionversion=WCN3998
  266. Affected versionversion=WCN3999
  267. Affected versionversion=WCN6740
  268. Affected versionversion=WCN6750
  269. Affected versionversion=WCN6850
  270. Affected versionversion=WCN6851
  271. Affected versionversion=WCN6855
  272. Affected versionversion=WCN6856
  273. Affected versionversion=WCN7850
  274. Affected versionversion=WCN7851
  275. Affected versionversion=WSA8810
  276. Affected versionversion=WSA8815
  277. Affected versionversion=WSA8830
  278. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=APQ8009; version=APQ8017; version=APQ8064AU; version=APQ8076; version=APQ8096AU; version=AQT1000; version=AR8031; version=AR8035; version=AR9380; version=CSR8811; version=CSRA6620; version=CSRA6640; version=CSRB31024; version=IPQ4018; version=IPQ4028; version=IPQ4029; version=IPQ5010; version=IPQ5018; version=IPQ5028; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8064; version=IPQ8065; version=IPQ8068; version=IPQ8069; version=IPQ8070; version=IPQ8070A; version=IPQ8071; version=IPQ8071A; version=IPQ8072; version=IPQ8072A; version=IPQ8074; version=IPQ8074A; version=IPQ8076; version=IPQ8076A; version=IPQ8078; version=IPQ8078A; version=IPQ8173; version=IPQ8174; version=IPQ9008; version=IPQ9574; version=MDM8215; version=MDM9206; version=MDM9215; version=MDM9250; version=MDM9310; version=MDM9607; version=MDM9615; version=MDM9628; version=MDM9640; version=MDM9645; version=MDM9650; version=MSM8976; version=MSM8996AU; version=PMP8074; version=QAM8295P; version=QCA1062; version=QCA1064; version=QCA2062; version=QCA2064; version=QCA2065; version=QCA2066; version=QCA4020; version=QCA4024; version=QCA4531; version=QCA6174; version=QCA6174A; version=QCA6175A; version=QCA6310; version=QCA6320; version=QCA6335; version=QCA6390; version=QCA6391; version=QCA6420; version=QCA6421; version=QCA6426; version=QCA6428; version=QCA6430; version=QCA6431; version=QCA6436; version=QCA6438; version=QCA6554A; version=QCA6564; version=QCA6564A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA8072; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8337; version=QCA8386; version=QCA9367; version=QCA9377; version=QCA9379; version=QCA9886; version=QCA9888; version=QCA9889; version=QCA9898; version=QCA9980; version=QCA9984; version=QCA9985; version=QCA9986; version=QCA9990; version=QCA9992; version=QCA9994; version=QCC5100; version=QCM2290; version=QCM4290; version=QCM6125; version=QCM6490; version=QCN5021; version=QCN5022; version=QCN5024; version=QCN5052; version=QCN5054; version=QCN5122; version=QCN5124; version=QCN5152; version=QCN5154; version=QCN5164; version=QCN6023; version=QCN6024; version=QCN6100; version=QCN6102; version=QCN6112; version=QCN6122; version=QCN6132; version=QCN7605; version=QCN7606; version=QCN9000; version=QCN9001; version=QCN9002; version=QCN9003; version=QCN9011; version=QCN9012; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QCS2290; version=QCS405; version=QCS410; version=QCS4290; version=QCS603; version=QCS605; version=QCS610; version=QCS6125; version=QCS6490; version=QCX315; version=QRB5165; version=QRB5165M; version=QRB5165N; version=QSM8250; version=QSM8350; version=SA4150P; version=SA415M; version=SA515M; version=SA6145P; version=SA6150P; version=SA6155; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155; version=SA8155P; version=SA8195P; version=SA8295P; version=SC8180X+SDX55; version=SD 455; version=SD460; version=SD480; version=SD 636; version=SD660; version=SD662; version=SD665; version=SD670; version=SD675; version=SD 675; version=SD678; version=SD680; version=SD690 5G; version=SD695; version=SD710; version=SD712; version=SD720G; version=SD730; version=SD750G; version=SD765; version=SD765G; version=SD768G; version=SD778G; version=SD780G; version=SD7c; version=SD820; version=SD821; version=SD835; version=SD845; version=SD850; version=SD855; version=SD865 5G; version=SD870; version=SD888; version=SD888 5G; version=SD 8CX; version=SD 8cx Gen2; version=SD 8cx Gen3; version=SD 8 Gen1 5G; version=SDM630; version=SDX12; version=SDX20; version=SDX20M; version=SDX24; version=SDX50M; version=SDX55; version=SDX55M; version=SDX65; version=SDXR1; version=SDXR2 5G; version=SM4125; version=SM4375; version=SM6250; version=SM6250P; version=SM7250P; version=SM7315; version=SM7325P; version=SW5100; version=SW5100P; version=SXR2150P; version=WCD9326; version=WCD9330; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9371; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3610; version=WCN3615; version=WCN3660B; version=WCN3680B; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN3991; version=WCN3998; version=WCN3999; version=WCN6740; version=WCN6750; version=WCN6850; version=WCN6851; version=WCN6855; version=WCN6856; version=WCN7850; version=WCN7851; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8835

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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-787Out-of-bounds Write
CWE-125Out-of-bounds Read
T1498Network Denial of Service

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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