Critical severity · published Aug 4, 2026
CVE-2026-25289
Stack-based Buffer Overflow in WLAN Firmware
9.6
CVSS
0.2%
EPSS
No
On KEV
Description
Memory Corruption when processing Device Capability Extended attributes in certain NAN Service Discovery Frames with invalid length values.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Snapdragon · Qualcomm, Inc.
AR8035; Cologne; CQ7790; CQ8725S; CQ8750M; FastConnect 6200; +34 more · source: vendor
AF
Ar8035 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cologne 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
Cq8750m Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6200 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25289
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25289
Vendor Advisory
https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2026-bulletin.html
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