CVE-2022-33239Network attack vector

Wireless service interruption via IPv6 parser loop

Published Nov 15, 2022 · Updated Apr 22, 2025

Denial of service in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt wireless service via a crafted IPv6 extension header. The firmware's IPv6 extension-header parser enters a loop whose exit condition cannot be reached, preventing normal packet processing. The attack requires no authentication or user interaction and causes a transient availability loss rather than data disclosure or modification.

CVSS severity7.5
High
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt wireless service via a crafted IPv6 extension header. The firmware's IPv6 extension-header parser enters a loop whose exit condition cannot be reached, preventing normal packet processing. The attack requires no authentication or user interaction and causes a transient availability loss rather than data disclosure or modification.

The record

CVE
CVE-2022-33239
Published
Nov 15, 2022
Updated
Apr 22, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-835, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 15, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 22, 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=APQ8096AU
  4. Affected versionversion=AQT1000
  5. Affected versionversion=AR8031
  6. Affected versionversion=AR8035
  7. Affected versionversion=CSR8811
  8. Affected versionversion=CSRA6620
  9. Affected versionversion=CSRA6640
  10. Affected versionversion=CSRB31024
  11. Affected versionversion=IPQ5010
  12. Affected versionversion=IPQ5018
  13. Affected versionversion=IPQ5028
  14. Affected versionversion=IPQ6000
  15. Affected versionversion=IPQ6010
  16. Affected versionversion=IPQ6018
  17. Affected versionversion=IPQ6028
  18. Affected versionversion=IPQ8070
  19. Affected versionversion=IPQ8070A
  20. Affected versionversion=IPQ8071A
  21. Affected versionversion=IPQ8072A
  22. Affected versionversion=IPQ8074A
  23. Affected versionversion=IPQ8076
  24. Affected versionversion=IPQ8076A
  25. Affected versionversion=IPQ8078
  26. Affected versionversion=IPQ8078A
  27. Affected versionversion=IPQ8173
  28. Affected versionversion=IPQ8174
  29. Affected versionversion=IPQ9008
  30. Affected versionversion=MDM8215
  31. Affected versionversion=MDM9215
  32. Affected versionversion=MDM9250
  33. Affected versionversion=MDM9310
  34. Affected versionversion=MDM9607
  35. Affected versionversion=MDM9615
  36. Affected versionversion=MDM9628
  37. Affected versionversion=MDM9640
  38. Affected versionversion=MDM9645
  39. Affected versionversion=MDM9650
  40. Affected versionversion=MSM8996AU
  41. Affected versionversion=PMP8074
  42. Affected versionversion=QAM8295P
  43. Affected versionversion=QCA1062
  44. Affected versionversion=QCA1064
  45. Affected versionversion=QCA2062
  46. Affected versionversion=QCA2064
  47. Affected versionversion=QCA2065
  48. Affected versionversion=QCA2066
  49. Affected versionversion=QCA4020
  50. Affected versionversion=QCA4024
  51. Affected versionversion=QCA4531
  52. Affected versionversion=QCA6174
  53. Affected versionversion=QCA6174A
  54. Affected versionversion=QCA6175A
  55. Affected versionversion=QCA6390
  56. Affected versionversion=QCA6391
  57. Affected versionversion=QCA6420
  58. Affected versionversion=QCA6421
  59. Affected versionversion=QCA6426
  60. Affected versionversion=QCA6430
  61. Affected versionversion=QCA6431
  62. Affected versionversion=QCA6436
  63. Affected versionversion=QCA6554A
  64. Affected versionversion=QCA6564
  65. Affected versionversion=QCA6564A
  66. Affected versionversion=QCA6564AU
  67. Affected versionversion=QCA6574
  68. Affected versionversion=QCA6574A
  69. Affected versionversion=QCA6574AU
  70. Affected versionversion=QCA6584
  71. Affected versionversion=QCA6584AU
  72. Affected versionversion=QCA6595
  73. Affected versionversion=QCA6595AU
  74. Affected versionversion=QCA6694
  75. Affected versionversion=QCA6696
  76. Affected versionversion=QCA8072
  77. Affected versionversion=QCA8075
  78. Affected versionversion=QCA8081
  79. Affected versionversion=QCA8082
  80. Affected versionversion=QCA8084
  81. Affected versionversion=QCA8085
  82. Affected versionversion=QCA8337
  83. Affected versionversion=QCA8386
  84. Affected versionversion=QCA9367
  85. Affected versionversion=QCA9377
  86. Affected versionversion=QCA9379
  87. Affected versionversion=QCA9888
  88. Affected versionversion=QCA9889
  89. Affected versionversion=QCC5100
  90. Affected versionversion=QCM2290
  91. Affected versionversion=QCM4290
  92. Affected versionversion=QCM6125
  93. Affected versionversion=QCM6490
  94. Affected versionversion=QCN5021
  95. Affected versionversion=QCN5022
  96. Affected versionversion=QCN5024
  97. Affected versionversion=QCN5052
  98. Affected versionversion=QCN5054
  99. Affected versionversion=QCN5122
  100. Affected versionversion=QCN5124
  101. Affected versionversion=QCN5152
  102. Affected versionversion=QCN5154
  103. Affected versionversion=QCN5164
  104. Affected versionversion=QCN6023
  105. Affected versionversion=QCN6024
  106. Affected versionversion=QCN6100
  107. Affected versionversion=QCN6102
  108. Affected versionversion=QCN6112
  109. Affected versionversion=QCN6122
  110. Affected versionversion=QCN6132
  111. Affected versionversion=QCN7605
  112. Affected versionversion=QCN7606
  113. Affected versionversion=QCN9000
  114. Affected versionversion=QCN9001
  115. Affected versionversion=QCN9002
  116. Affected versionversion=QCN9003
  117. Affected versionversion=QCN9011
  118. Affected versionversion=QCN9012
  119. Affected versionversion=QCN9022
  120. Affected versionversion=QCN9024
  121. Affected versionversion=QCN9070
  122. Affected versionversion=QCN9072
  123. Affected versionversion=QCN9074
  124. Affected versionversion=QCN9100
  125. Affected versionversion=QCN9274
  126. Affected versionversion=QCS2290
  127. Affected versionversion=QCS405
  128. Affected versionversion=QCS410
  129. Affected versionversion=QCS4290
  130. Affected versionversion=QCS610
  131. Affected versionversion=QCS6125
  132. Affected versionversion=QCS6490
  133. Affected versionversion=QCX315
  134. Affected versionversion=QRB5165
  135. Affected versionversion=QRB5165M
  136. Affected versionversion=QRB5165N
  137. Affected versionversion=QSM8250
  138. Affected versionversion=QSM8350
  139. Affected versionversion=SA4150P
  140. Affected versionversion=SA4155P
  141. Affected versionversion=SA415M
  142. Affected versionversion=SA515M
  143. Affected versionversion=SA6145P
  144. Affected versionversion=SA6150P
  145. Affected versionversion=SA6155
  146. Affected versionversion=SA6155P
  147. Affected versionversion=SA8145P
  148. Affected versionversion=SA8150P
  149. Affected versionversion=SA8155
  150. Affected versionversion=SA8155P
  151. Affected versionversion=SA8195P
  152. Affected versionversion=SA8295P
  153. Affected versionversion=SC8180X+SDX55
  154. Affected versionversion=SD460
  155. Affected versionversion=SD480
  156. Affected versionversion=SD660
  157. Affected versionversion=SD662
  158. Affected versionversion=SD665
  159. Affected versionversion=SD675
  160. Affected versionversion=SD 675
  161. Affected versionversion=SD678
  162. Affected versionversion=SD680
  163. Affected versionversion=SD690 5G
  164. Affected versionversion=SD695
  165. Affected versionversion=SD720G
  166. Affected versionversion=SD730
  167. Affected versionversion=SD750G
  168. Affected versionversion=SD765
  169. Affected versionversion=SD765G
  170. Affected versionversion=SD768G
  171. Affected versionversion=SD778G
  172. Affected versionversion=SD780G
  173. Affected versionversion=SD7c
  174. Affected versionversion=SD820
  175. Affected versionversion=SD855
  176. Affected versionversion=SD865 5G
  177. Affected versionversion=SD870
  178. Affected versionversion=SD888
  179. Affected versionversion=SD888 5G
  180. Affected versionversion=SD 8CX
  181. Affected versionversion=SD 8cx Gen2
  182. Affected versionversion=SD 8cx Gen3
  183. Affected versionversion=SD 8 Gen1 5G
  184. Affected versionversion=SDX12
  185. Affected versionversion=SDX20M
  186. Affected versionversion=SDX50M
  187. Affected versionversion=SDX55
  188. Affected versionversion=SDX55M
  189. Affected versionversion=SDX65
  190. Affected versionversion=SDXR2 5G
  191. Affected versionversion=SM4125
  192. Affected versionversion=SM4375
  193. Affected versionversion=SM6250
  194. Affected versionversion=SM6250P
  195. Affected versionversion=SM7250P
  196. Affected versionversion=SM7315
  197. Affected versionversion=SM7325P
  198. Affected versionversion=SW5100
  199. Affected versionversion=SW5100P
  200. Affected versionversion=SXR2150P
  201. Affected versionversion=WCD9326
  202. Affected versionversion=WCD9330
  203. Affected versionversion=WCD9335
  204. Affected versionversion=WCD9340
  205. Affected versionversion=WCD9341
  206. Affected versionversion=WCD9360
  207. Affected versionversion=WCD9370
  208. Affected versionversion=WCD9371
  209. Affected versionversion=WCD9375
  210. Affected versionversion=WCD9380
  211. Affected versionversion=WCD9385
  212. Affected versionversion=WCN3610
  213. Affected versionversion=WCN3615
  214. Affected versionversion=WCN3660B
  215. Affected versionversion=WCN3910
  216. Affected versionversion=WCN3950
  217. Affected versionversion=WCN3980
  218. Affected versionversion=WCN3988
  219. Affected versionversion=WCN3990
  220. Affected versionversion=WCN3991
  221. Affected versionversion=WCN3998
  222. Affected versionversion=WCN3999
  223. Affected versionversion=WCN6740
  224. Affected versionversion=WCN6750
  225. Affected versionversion=WCN6850
  226. Affected versionversion=WCN6851
  227. Affected versionversion=WCN6855
  228. Affected versionversion=WCN6856
  229. Affected versionversion=WCN7850
  230. Affected versionversion=WCN7851
  231. Affected versionversion=WSA8810
  232. Affected versionversion=WSA8815
  233. Affected versionversion=WSA8830
  234. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=APQ8009; version=APQ8017; version=APQ8096AU; version=AQT1000; version=AR8031; version=AR8035; version=CSR8811; version=CSRA6620; version=CSRA6640; version=CSRB31024; version=IPQ5010; version=IPQ5018; version=IPQ5028; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8070; version=IPQ8070A; version=IPQ8071A; version=IPQ8072A; version=IPQ8074A; version=IPQ8076; version=IPQ8076A; version=IPQ8078; version=IPQ8078A; version=IPQ8173; version=IPQ8174; version=IPQ9008; version=MDM8215; version=MDM9215; version=MDM9250; version=MDM9310; version=MDM9607; version=MDM9615; version=MDM9628; version=MDM9640; version=MDM9645; version=MDM9650; 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=QCA6390; version=QCA6391; version=QCA6420; version=QCA6421; version=QCA6426; version=QCA6430; version=QCA6431; version=QCA6436; version=QCA6554A; version=QCA6564; version=QCA6564A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6694; 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=QCA9888; version=QCA9889; 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=QCS610; version=QCS6125; version=QCS6490; version=QCX315; version=QRB5165; version=QRB5165M; version=QRB5165N; version=QSM8250; version=QSM8350; version=SA4150P; version=SA4155P; 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=SD460; version=SD480; version=SD660; version=SD662; version=SD665; version=SD675; version=SD 675; version=SD678; version=SD680; version=SD690 5G; version=SD695; version=SD720G; version=SD730; version=SD750G; version=SD765; version=SD765G; version=SD768G; version=SD778G; version=SD780G; version=SD7c; version=SD820; 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=SDX12; version=SDX20M; version=SDX50M; version=SDX55; version=SDX55M; version=SDX65; 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=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

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-835Loop with Unreachable Exit Condition ('Infinite Loop')
T1499.004Application 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

See the directory against your own environment.

Your stack

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