CVE-2026-21381 PUBLISHED

Buffer Over-read in WLAN Firmware

Assigner: qualcomm
Reserved: 17.12.2025 Published: 06.04.2026 Updated: 06.04.2026

Transient DOS when receiving a service data frame with excessive length during device matching over a neighborhood awareness network protocol connection.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
CVSS Score: 7.6

Attack Vector	Network	Scope	Changed
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Qualcomm, Inc.
Product	Snapdragon
Versions	Default: unaffected Version AR8035 is affected Version Cologne is affected Version FastConnect 6200 is affected Version FastConnect 6700 is affected Version FastConnect 6900 is affected Version FastConnect 7800 is affected Version FWA Gen 3 Ultra Platform is affected Version G2 Gen 1 is affected Version Milos is affected Version Netrani is affected Version Orne is affected Version Palawan25 is affected Version Pandeiro is affected Version QCA6391 is affected Version QCA6698AU is affected Version QCA6777AQ is affected Version QCA6787AQ is affected Version QCA6797AQ is affected Version QCA8081 is affected Version QCA8337 is affected Version QCC2073 is affected Version QCC2076 is affected Version QCC710 is affected Version QCN6224 is affected Version QCN6274 is affected Version QCN9011 is affected Version QCN9012 is affected Version QCS8550 is affected Version QFW7114 is affected Version QFW7124 is affected Version QLN1083BD is affected Version QLN1086BD is affected Version QMP1000 is affected Version QPA1083BD is affected Version QPA1086BD is affected Version QXM1083 is affected Version QXM1086 is affected Version QXM1093 is affected Version QXM1094 is affected Version QXM1095 is affected Version QXM1096 is affected Version SAR1165P is affected Version SAR2130P is affected Version SC8380XP is affected Version SM6650P is affected Version SM7435 is affected Version SM7635P is affected Version SM7675 is affected Version SM7675P is affected Version SM8635 is affected Version SM8635P is affected Version SM8650Q is affected Version SM8750P is affected Version Snapdragon 6 Gen 1 Mobile Platform is affected Version Snapdragon 6 Gen 3 Mobile Platform is affected Version Snapdragon 6 Gen 4 Mobile Platform is affected Version Snapdragon 7s Gen 3 Mobile Platform is affected Version Snapdragon 8 Elite is affected Version Snapdragon 8 Elite Gen 5 is affected Version Snapdragon 8 Gen 3 Mobile Platform is affected Version Snapdragon AR1 Gen 1 Platform is affected Version Snapdragon AR1+ Gen 1 Platform is affected Version Snapdragon X72 5G Modem-RF System is affected Version Snapdragon X75 5G Modem-RF System is affected Version SXR2230P is affected Version SXR2250P is affected Version SXR2330P is affected Version SXR2350P is affected Version WCD9340 is affected Version WCD9370 is affected Version WCD9375 is affected Version WCD9378 is affected Version WCD9378C is affected Version WCD9380 is affected Version WCD9385 is affected Version WCD9390 is affected Version WCD9395 is affected Version WCN3988 is affected Version WCN6450 is affected Version WCN6650 is affected Version WCN6755 is affected Version WCN7860 is affected Version WCN7861 is affected Version WCN7880 is affected Version WCN7881 is affected Version WSA8810 is affected Version WSA8815 is affected Version WSA8830 is affected Version WSA8832 is affected Version WSA8835 is affected Version WSA8840 is affected Version WSA8845 is affected Version WSA8845H is affected Version X2000077 is affected Version X2000086 is affected Version X2000090 is affected Version X2000092 is affected Version X2000094 is affected Version XG101002 is affected Version XG101032 is affected Version XG101039 is affected Version XRV7209 is affected Version XRV9209 is affected

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html

Problem Types

CWE-126 Buffer Over-read CWE