CVE-2026-25289

Memory corruption via malformed NAN attribute lengths

Published Aug 4, 2026 · Updated Aug 4, 2026

Stack-based buffer overflow in Qualcomm Snapdragon WLAN firmware allows remote attackers to corrupt memory via crafted NAN frames. The parser accepts invalid length values for Device Capability Extended attributes, causing data to overrun a stack buffer. Exploitation requires adjacent wireless reachability and no authentication or user interaction; Qualcomm has not disclosed whether corruption yields a crash or code execution.

CVSS severity9.6
Critical
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in Qualcomm Snapdragon WLAN firmware allows remote attackers to corrupt memory via crafted NAN frames. The parser accepts invalid length values for Device Capability Extended attributes, causing data to overrun a stack buffer. Exploitation requires adjacent wireless reachability and no authentication or user interaction; Qualcomm has not disclosed whether corruption yields a crash or code execution.

The record

CVE
CVE-2026-25289
Published
Aug 4, 2026
Updated
Aug 4, 2026
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-121
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 4, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2026Record 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=AR8035
  2. Affected versionversion=Cologne
  3. Affected versionversion=CQ7790
  4. Affected versionversion=CQ8725S
  5. Affected versionversion=CQ8750M
  6. Affected versionversion=FastConnect 6200
  7. Affected versionversion=FastConnect 6700
  8. Affected versionversion=FastConnect 6800
  9. Affected versionversion=FastConnect 6900
  10. Affected versionversion=FastConnect 7800
  11. Affected versionversion=FWA Gen 3 Ultra Platform
  12. Affected versionversion=FWA Gen 5 Elite Platform
  13. Affected versionversion=G2 Gen 1
  14. Affected versionversion=Immersive Home 3210 Platform
  15. Affected versionversion=Immersive Home 326 Platform
  16. Affected versionversion=IPQ5300
  17. Affected versionversion=IPQ5302
  18. Affected versionversion=IPQ5312
  19. Affected versionversion=IPQ5332
  20. Affected versionversion=IPQ9554
  21. Affected versionversion=IPQ9570
  22. Affected versionversion=IPQ9574
  23. Affected versionversion=IQ10 Series
  24. Affected versionversion=IQX5121
  25. Affected versionversion=IQX7181
  26. Affected versionversion=Kobuk
  27. Affected versionversion=LeMansAU
  28. Affected versionversion=LeMans_AU_LGIT
  29. Affected versionversion=Milos
  30. Affected versionversion=Milos_IOT
  31. Affected versionversion=Networking Pro 1210 Platform
  32. Affected versionversion=Networking Pro 1610 Platform
  33. Affected versionversion=Networking Pro 610 Platform
  34. Affected versionversion=Networking Pro 810 Platform
  35. Affected versionversion=Orne
  36. Affected versionversion=Palawan25
  37. Affected versionversion=Pandeiro
  38. Affected versionversion=QAM8255P
  39. Affected versionversion=QAM8397P
  40. Affected versionversion=QAM8797P
  41. Affected versionversion=QAMSRV1H
  42. Affected versionversion=QAMSRV1M
  43. Affected versionversion=QCA0000
  44. Affected versionversion=QCA6391
  45. Affected versionversion=QCA6426
  46. Affected versionversion=QCA6436
  47. Affected versionversion=QCA6554A
  48. Affected versionversion=QCA6564AU
  49. Affected versionversion=QCA6574
  50. Affected versionversion=QCA6574A
  51. Affected versionversion=QCA6574AU
  52. Affected versionversion=QCA6584AU
  53. Affected versionversion=QCA6595
  54. Affected versionversion=QCA6595AU
  55. Affected versionversion=QCA6678AQ
  56. Affected versionversion=QCA6688AQ
  57. Affected versionversion=QCA6696
  58. Affected versionversion=QCA6698AQ
  59. Affected versionversion=QCA6698AU
  60. Affected versionversion=QCA6777AQ
  61. Affected versionversion=QCA6787AQ
  62. Affected versionversion=QCA6797AQ
  63. Affected versionversion=QCA8075
  64. Affected versionversion=QCA8081
  65. Affected versionversion=QCA8337
  66. Affected versionversion=QCA8386
  67. Affected versionversion=QCA8695AU
  68. Affected versionversion=QCC2073
  69. Affected versionversion=QCC2076
  70. Affected versionversion=QCC710
  71. Affected versionversion=QCF8000
  72. Affected versionversion=QCF8001
  73. Affected versionversion=QCM8550
  74. Affected versionversion=QCM8838
  75. Affected versionversion=QCN5124
  76. Affected versionversion=QCN6224
  77. Affected versionversion=QCN6274
  78. Affected versionversion=QCN6402
  79. Affected versionversion=QCN6412
  80. Affected versionversion=QCN6422
  81. Affected versionversion=QCN6432
  82. Affected versionversion=QCN9011
  83. Affected versionversion=QCN9012
  84. Affected versionversion=QCN9274
  85. Affected versionversion=QCS6690
  86. Affected versionversion=QCS8550
  87. Affected versionversion=QFW7114
  88. Affected versionversion=QFW7124
  89. Affected versionversion=QLN1083BD
  90. Affected versionversion=QLN1086BD
  91. Affected versionversion=QMB715
  92. Affected versionversion=QMP1000
  93. Affected versionversion=QPA1083BD
  94. Affected versionversion=QPA1086BD
  95. Affected versionversion=QXM1083
  96. Affected versionversion=QXM1086
  97. Affected versionversion=QXM1093
  98. Affected versionversion=QXM1094
  99. Affected versionversion=QXM1095
  100. Affected versionversion=QXM1096
  101. Affected versionversion=SA7255P
  102. Affected versionversion=SA7775P
  103. Affected versionversion=SA8255P
  104. Affected versionversion=SA8620P
  105. Affected versionversion=SA8770P
  106. Affected versionversion=SA9000P
  107. Affected versionversion=SAR1165P
  108. Affected versionversion=SAR2130P
  109. Affected versionversion=SC8380XP
  110. Affected versionversion=SD865 5G
  111. Affected versionversion=SD 8 Gen1 5G
  112. Affected versionversion=SDR753
  113. Affected versionversion=SDX81
  114. Affected versionversion=SM6650P
  115. Affected versionversion=SM7635P
  116. Affected versionversion=SM7675
  117. Affected versionversion=SM7675P
  118. Affected versionversion=SM8550P
  119. Affected versionversion=SM8635
  120. Affected versionversion=SM8635P
  121. Affected versionversion=SM8650Q
  122. Affected versionversion=SM8750P
  123. Affected versionversion=Snapdragon 6 Gen 4 Mobile Platform
  124. Affected versionversion=Snapdragon 7 Gen 4 Mobile Platform
  125. Affected versionversion=Snapdragon 7s Gen 3 Mobile Platform
  126. Affected versionversion=Snapdragon 865 5G Mobile Platform
  127. Affected versionversion=Snapdragon 865+ 5G Mobile Platform
  128. Affected versionversion=Snapdragon 870 5G Mobile Platform
  129. Affected versionversion=Snapdragon 8 Elite
  130. Affected versionversion=Snapdragon 8 Elite Gen 5
  131. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  132. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  133. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  134. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  135. Affected versionversion=Snapdragon AR1 Gen 1 Platform
  136. Affected versionversion=Snapdragon AR1+ Gen 1 Platform
  137. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  138. Affected versionversion=Snapdragon Wear Elite platform
  139. Affected versionversion=Snapdragon X72 5G Modem-RF System
  140. Affected versionversion=Snapdragon X75 5G Modem-RF System
  141. Affected versionversion=Snapdragon XR2 5G Platform
  142. Affected versionversion=SRV1H
  143. Affected versionversion=SRV1M
  144. Affected versionversion=SSG2115P
  145. Affected versionversion=SSG2125P
  146. Affected versionversion=SXR1230P
  147. Affected versionversion=SXR2230P
  148. Affected versionversion=SXR2250P
  149. Affected versionversion=SXR2330P
  150. Affected versionversion=SXR2350P
  151. Affected versionversion=Themisto
  152. Affected versionversion=WCD9340
  153. Affected versionversion=WCD9370
  154. Affected versionversion=WCD9375
  155. Affected versionversion=WCD9378
  156. Affected versionversion=WCD9378C
  157. Affected versionversion=WCD9380
  158. Affected versionversion=WCD9385
  159. Affected versionversion=WCD9390
  160. Affected versionversion=WCD9395
  161. Affected versionversion=WCN3988
  162. Affected versionversion=WCN6450
  163. Affected versionversion=WCN6650
  164. Affected versionversion=WCN6740
  165. Affected versionversion=WCN6755
  166. Affected versionversion=WCN7860
  167. Affected versionversion=WCN7861
  168. Affected versionversion=WCN7880
  169. Affected versionversion=WCN7881
  170. Affected versionversion=WSA8810
  171. Affected versionversion=WSA8815
  172. Affected versionversion=WSA8830
  173. Affected versionversion=WSA8832
  174. Affected versionversion=WSA8835
  175. Affected versionversion=WSA8840
  176. Affected versionversion=WSA8845
  177. Affected versionversion=WSA8845H
  178. Affected versionversion=X1E80100
  179. Affected versionversion=X2000077
  180. Affected versionversion=X2000086
  181. Affected versionversion=X2000090
  182. Affected versionversion=X2000092
  183. Affected versionversion=X2000094
  184. Affected versionversion=XG101002
  185. Affected versionversion=XG101032
  186. Affected versionversion=XG101039
  187. Affected versionversion=XRV7209
  188. Affected versionversion=XRV9209

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=Cologne; version=CQ7790; version=CQ8725S; version=CQ8750M; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=FWA Gen 3 Ultra Platform; version=FWA Gen 5 Elite Platform; version=G2 Gen 1; version=Immersive Home 3210 Platform; version=Immersive Home 326 Platform; version=IPQ5300; version=IPQ5302; version=IPQ5312; version=IPQ5332; version=IPQ9554; version=IPQ9570; version=IPQ9574; version=IQ10 Series; version=IQX5121; version=IQX7181; version=Kobuk; version=LeMansAU; version=LeMans_AU_LGIT; version=Milos; version=Milos_IOT; version=Networking Pro 1210 Platform; version=Networking Pro 1610 Platform; version=Networking Pro 610 Platform; version=Networking Pro 810 Platform; version=Orne; version=Palawan25; version=Pandeiro; version=QAM8255P; version=QAM8397P; version=QAM8797P; version=QAMSRV1H; version=QAMSRV1M; version=QCA0000; version=QCA6391; version=QCA6426; version=QCA6436; version=QCA6554A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6678AQ; version=QCA6688AQ; version=QCA6696; version=QCA6698AQ; version=QCA6698AU; version=QCA6777AQ; version=QCA6787AQ; version=QCA6797AQ; version=QCA8075; version=QCA8081; version=QCA8337; version=QCA8386; version=QCA8695AU; version=QCC2073; version=QCC2076; version=QCC710; version=QCF8000; version=QCF8001; version=QCM8550; version=QCM8838; version=QCN5124; version=QCN6224; version=QCN6274; version=QCN6402; version=QCN6412; version=QCN6422; version=QCN6432; version=QCN9011; version=QCN9012; version=QCN9274; version=QCS6690; version=QCS8550; version=QFW7114; version=QFW7124; version=QLN1083BD; version=QLN1086BD; version=QMB715; version=QMP1000; version=QPA1083BD; version=QPA1086BD; version=QXM1083; version=QXM1086; version=QXM1093; version=QXM1094; version=QXM1095; version=QXM1096; version=SA7255P; version=SA7775P; version=SA8255P; version=SA8620P; version=SA8770P; version=SA9000P; version=SAR1165P; version=SAR2130P; version=SC8380XP; version=SD865 5G; version=SD 8 Gen1 5G; version=SDR753; version=SDX81; version=SM6650P; version=SM7635P; version=SM7675; version=SM7675P; version=SM8550P; version=SM8635; version=SM8635P; version=SM8650Q; version=SM8750P; version=Snapdragon 6 Gen 4 Mobile Platform; version=Snapdragon 7 Gen 4 Mobile Platform; version=Snapdragon 7s Gen 3 Mobile Platform; version=Snapdragon 865 5G Mobile Platform; version=Snapdragon 865+ 5G Mobile Platform; version=Snapdragon 870 5G Mobile Platform; version=Snapdragon 8 Elite; version=Snapdragon 8 Elite Gen 5; 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; version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon Wear Elite platform; version=Snapdragon X72 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=SRV1H; version=SRV1M; version=SSG2115P; version=SSG2125P; version=SXR1230P; version=SXR2230P; version=SXR2250P; version=SXR2330P; version=SXR2350P; version=Themisto; version=WCD9340; version=WCD9370; version=WCD9375; version=WCD9378; version=WCD9378C; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3988; version=WCN6450; version=WCN6650; version=WCN6740; version=WCN6755; version=WCN7860; version=WCN7861; version=WCN7880; version=WCN7881; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H; version=X1E80100; version=X2000077; version=X2000086; version=X2000090; version=X2000092; version=X2000094; version=XG101002; version=XG101032; version=XG101039; version=XRV7209; version=XRV9209

Published CVSS scores

9.6Qualcomm Technologies, Inc.CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-121Stack-based 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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