CVE-2026-25268

WLAN host memory corruption via invalid HT40 layouts

Published Jul 6, 2026 · Updated Jul 6, 2026

Stack-based buffer overflow in the WLAN host in Qualcomm Snapdragon allows local users to corrupt memory during dynamic channel switching. The WLAN host processes an invalid HT40 channel layout without adequate bounds validation, causing a write beyond a stack buffer. Low-privileged local access is required, and the published record does not specify whether successful triggering causes a crash or code execution.

CVSS severity8.8
High
EPSS probability0.10%
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 the WLAN host in Qualcomm Snapdragon allows local users to corrupt memory during dynamic channel switching. The WLAN host processes an invalid HT40 channel layout without adequate bounds validation, causing a write beyond a stack buffer. Low-privileged local access is required, and the published record does not specify whether successful triggering causes a crash or code execution.

The record

CVE
CVE-2026-25268
Published
Jul 6, 2026
Updated
Jul 6, 2026
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-121
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 6, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 6, 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=5G Fixed Wireless Access Platform
  2. Affected versionversion=AR8035
  3. Affected versionversion=CQ7790
  4. Affected versionversion=CQ8725S
  5. Affected versionversion=CSR8811
  6. Affected versionversion=FastConnect 6700
  7. Affected versionversion=FastConnect 6900
  8. Affected versionversion=FastConnect 7800
  9. Affected versionversion=FWA Gen 3 Ultra Platform
  10. Affected versionversion=FWA Gen 5 Elite Platform
  11. Affected versionversion=Immersive Home 214 Platform
  12. Affected versionversion=Immersive Home 216 Platform
  13. Affected versionversion=Immersive Home 316 Platform
  14. Affected versionversion=Immersive Home 318 Platform
  15. Affected versionversion=Immersive Home 3210 Platform
  16. Affected versionversion=Immersive Home 326 Platform
  17. Affected versionversion=IPQ5010
  18. Affected versionversion=IPQ5028
  19. Affected versionversion=IPQ5300
  20. Affected versionversion=IPQ5302
  21. Affected versionversion=IPQ5312
  22. Affected versionversion=IPQ5332
  23. Affected versionversion=IPQ6000
  24. Affected versionversion=IPQ6010
  25. Affected versionversion=IPQ6018
  26. Affected versionversion=IPQ8076
  27. Affected versionversion=IPQ8078
  28. Affected versionversion=IPQ9008
  29. Affected versionversion=IPQ9048
  30. Affected versionversion=IPQ9554
  31. Affected versionversion=IPQ9570
  32. Affected versionversion=IPQ9574
  33. Affected versionversion=Kobuk
  34. Affected versionversion=Marina
  35. Affected versionversion=Networking Pro 1200 Platform
  36. Affected versionversion=Networking Pro 1210 Platform
  37. Affected versionversion=Networking Pro 1610 Platform
  38. Affected versionversion=Networking Pro 400 Platform
  39. Affected versionversion=Networking Pro 600 Platform
  40. Affected versionversion=Networking Pro 610 Platform
  41. Affected versionversion=Networking Pro 800 Platform
  42. Affected versionversion=Networking Pro 810 Platform
  43. Affected versionversion=Orne
  44. Affected versionversion=QCA0000
  45. Affected versionversion=QCA4024
  46. Affected versionversion=QCA6174A
  47. Affected versionversion=QCA8075
  48. Affected versionversion=QCA8080
  49. Affected versionversion=QCA8081
  50. Affected versionversion=QCA8082
  51. Affected versionversion=QCA8084
  52. Affected versionversion=QCA8085
  53. Affected versionversion=QCA8101
  54. Affected versionversion=QCA8102
  55. Affected versionversion=QCA8111
  56. Affected versionversion=QCA8112
  57. Affected versionversion=QCA8337
  58. Affected versionversion=QCA8384
  59. Affected versionversion=QCA8385
  60. Affected versionversion=QCA8386
  61. Affected versionversion=QCA9888
  62. Affected versionversion=QCA9889
  63. Affected versionversion=QCC710
  64. Affected versionversion=QCF8000
  65. Affected versionversion=QCF8001
  66. Affected versionversion=QCM5430
  67. Affected versionversion=QCM6490
  68. Affected versionversion=QCN5022
  69. Affected versionversion=QCN5024
  70. Affected versionversion=QCN5052
  71. Affected versionversion=QCN5122
  72. Affected versionversion=QCN5124
  73. Affected versionversion=QCN5152
  74. Affected versionversion=QCN5154
  75. Affected versionversion=QCN5164
  76. Affected versionversion=QCN5224
  77. Affected versionversion=QCN6023
  78. Affected versionversion=QCN6024
  79. Affected versionversion=QCN6112
  80. Affected versionversion=QCN6122
  81. Affected versionversion=QCN6132
  82. Affected versionversion=QCN6224
  83. Affected versionversion=QCN6274
  84. Affected versionversion=QCN6402
  85. Affected versionversion=QCN6412
  86. Affected versionversion=QCN6422
  87. Affected versionversion=QCN6432
  88. Affected versionversion=QCN9000
  89. Affected versionversion=QCN9012
  90. Affected versionversion=QCN9013
  91. Affected versionversion=QCN9022
  92. Affected versionversion=QCN9024
  93. Affected versionversion=QCN9070
  94. Affected versionversion=QCN9100
  95. Affected versionversion=QCN9160
  96. Affected versionversion=QCN9274
  97. Affected versionversion=QFW7114
  98. Affected versionversion=QFW7124
  99. Affected versionversion=QFW7224
  100. Affected versionversion=QMX82L
  101. Affected versionversion=QMX85L
  102. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  103. Affected versionversion=QXM8083
  104. Affected versionversion=SAR2130P
  105. Affected versionversion=SDX61
  106. Affected versionversion=SDX65M
  107. Affected versionversion=SDX81
  108. Affected versionversion=Snapdragon 460 Mobile Platform
  109. Affected versionversion=Snapdragon 662 Mobile Platform
  110. Affected versionversion=Snapdragon Auto 5G Modem-RF
  111. Affected versionversion=Snapdragon X62 5G Modem-RF System
  112. Affected versionversion=Snapdragon X65 5G Modem-RF System
  113. Affected versionversion=Snapdragon X72 5G Modem-RF System
  114. Affected versionversion=Snapdragon X75 5G Modem-RF System
  115. Affected versionversion=SW-only
  116. Affected versionversion=WCD9340
  117. Affected versionversion=WCD9370
  118. Affected versionversion=WCD9375
  119. Affected versionversion=WCD9380
  120. Affected versionversion=WCD9385
  121. Affected versionversion=WCN3950
  122. Affected versionversion=WCN3988
  123. Affected versionversion=WCN6755
  124. Affected versionversion=WCN7861
  125. Affected versionversion=WCN7881
  126. Affected versionversion=WSA8830
  127. Affected versionversion=WSA8832
  128. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=5G Fixed Wireless Access Platform; version=AR8035; version=CQ7790; version=CQ8725S; version=CSR8811; version=FastConnect 6700; version=FastConnect 6900; version=FastConnect 7800; version=FWA Gen 3 Ultra Platform; version=FWA Gen 5 Elite Platform; version=Immersive Home 214 Platform; version=Immersive Home 216 Platform; version=Immersive Home 316 Platform; version=Immersive Home 318 Platform; version=Immersive Home 3210 Platform; version=Immersive Home 326 Platform; version=IPQ5010; version=IPQ5028; version=IPQ5300; version=IPQ5302; version=IPQ5312; version=IPQ5332; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ8076; version=IPQ8078; version=IPQ9008; version=IPQ9048; version=IPQ9554; version=IPQ9570; version=IPQ9574; version=Kobuk; version=Marina; version=Networking Pro 1200 Platform; version=Networking Pro 1210 Platform; version=Networking Pro 1610 Platform; version=Networking Pro 400 Platform; version=Networking Pro 600 Platform; version=Networking Pro 610 Platform; version=Networking Pro 800 Platform; version=Networking Pro 810 Platform; version=Orne; version=QCA0000; version=QCA4024; version=QCA6174A; version=QCA8075; version=QCA8080; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8101; version=QCA8102; version=QCA8111; version=QCA8112; version=QCA8337; version=QCA8384; version=QCA8385; version=QCA8386; version=QCA9888; version=QCA9889; version=QCC710; version=QCF8000; version=QCF8001; version=QCM5430; version=QCM6490; version=QCN5022; version=QCN5024; version=QCN5052; version=QCN5122; version=QCN5124; version=QCN5152; version=QCN5154; version=QCN5164; version=QCN5224; version=QCN6023; version=QCN6024; version=QCN6112; version=QCN6122; version=QCN6132; version=QCN6224; version=QCN6274; version=QCN6402; version=QCN6412; version=QCN6422; version=QCN6432; version=QCN9000; version=QCN9012; version=QCN9013; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9100; version=QCN9160; version=QCN9274; version=QFW7114; version=QFW7124; version=QFW7224; version=QMX82L; version=QMX85L; version=Qualcomm Video Collaboration VC3 Platform; version=QXM8083; version=SAR2130P; version=SDX61; version=SDX65M; version=SDX81; version=Snapdragon 460 Mobile Platform; version=Snapdragon 662 Mobile Platform; version=Snapdragon Auto 5G Modem-RF; 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=SW-only; version=WCD9340; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3950; version=WCN3988; version=WCN6755; version=WCN7861; version=WCN7881; version=WSA8830; version=WSA8832; version=WSA8835

Published CVSS scores

8.8Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:L/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.

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-121Stack-based Buffer Overflow

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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