High severity · published Jul 6, 2026
CVE-2026-25268
Stack-based Buffer Overflow in WLAN Host
8.8
CVSS
0.1%
EPSS
No
On KEV
Description
Memory Corruption when processing invalid HT40 channel layouts during dynamic channel switching operations.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Snapdragon · Qualcomm, Inc.
5G Fixed Wireless Access Platform; AR8035; CQ7790; CQ8725S; CSR8811; FastConnect 6700; +34 more · source: vendor
5F
5g Fixed Wireless Access Platform Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Ar8035 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cq7790 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cq8725s Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Csr8811 Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6700 Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6900 Firmware · Qualcomm
All versions, or not specified · source: NVD
F7
Fastconnect 7800 Firmware · Qualcomm
All versions, or not specified · source: NVD
FG
Fwa Gen 3 Ultra Firmware · Qualcomm
All versions, or not specified · source: NVD
FG
Fwa Gen 5 Elite Firmware · Qualcomm
All versions, or not specified · source: NVD
IH
Immersive Home 214 Platform Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25268
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25268
Vendor Advisory
https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2026-bulletin.html
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