CVE-2026-21381
Buffer Over-read in WLAN Firmware
Transient DOS when receiving a service data frame with excessive length during device matching over a neighborhood awareness network protocol connection.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Buffer Over-read in WLAN Firmware
Transient DOS when receiving a service data frame with excessive length during device matching over a neighborhood awareness network protocol connection.
- Record
CVE-2026-21381- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-126
- Updated
- 2026-11-02
EUVDEUVD-2026-19337
Transient DOS when receiving a service data frame with excessive length during device matching over a neighborhood awareness network protocol connection.
- Record
EUVD-2026-19337- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hvr6-7x95-4jgj
Transient DOS when receiving a service data frame with excessive length during device matching...
Transient DOS when receiving a service data frame with excessive length during device matching over a neighborhood awareness network protocol connection.
- Record
GHSA-hvr6-7x95-4jgj- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-126
- Updated
- 2026-11-02
NVD
Transient DOS when receiving a service data frame with excessive length during device matching over a neighborhood awareness network protocol connection.
- Record
CVE-2026-21381- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-126
- Updated
- 2026-11-02
Affected products
- qualcomm ar8035 firmware
- qualcomm cologne firmware
- qualcomm fastconnect 6200 firmware
- qualcomm fastconnect 6700 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
- qualcomm fwa gen 3 ultra firmware
- qualcomm g2 gen 1 firmware
- qualcomm milos firmware
- qualcomm netrani firmware
- qualcomm orne firmware
- qualcomm palawan25 firmware
Show 92 moreShow less
- qualcomm pandeiro firmware
- qualcomm qca6391 firmware
- qualcomm qca6698au firmware
- qualcomm qca6777aq firmware
- qualcomm qca6787aq firmware
- qualcomm qca6797aq firmware
- qualcomm qca8081 firmware
- qualcomm qca8337 firmware
- qualcomm qcc2073 firmware
- qualcomm qcc2076 firmware
- qualcomm qcc710 firmware
- qualcomm qcn6224 firmware
- qualcomm qcn6274 firmware
- qualcomm qcn9011 firmware
- qualcomm qcn9012 firmware
- qualcomm qcs8550 firmware
- qualcomm qfw7114 firmware
- qualcomm qfw7124 firmware
- qualcomm qln1083bd firmware
- qualcomm qln1086bd firmware
- qualcomm qmp1000 firmware
- qualcomm qpa1083bd firmware
- qualcomm qpa1086bd firmware
- qualcomm qxm1083 firmware
- qualcomm qxm1086 firmware
- qualcomm qxm1093 firmware
- qualcomm qxm1094 firmware
- qualcomm qxm1095 firmware
- qualcomm qxm1096 firmware
- qualcomm sar1165p firmware
- qualcomm sar2130p firmware
- qualcomm sc8380xp firmware
- qualcomm sm6650p firmware
- qualcomm sm7435 firmware
- qualcomm sm7635p firmware
- qualcomm sm7675 firmware
- qualcomm sm7675p firmware
- qualcomm sm8635 firmware
- qualcomm sm8635p firmware
- qualcomm sm8650q firmware
- qualcomm sm8750p firmware
- qualcomm snapdragon 6 gen 1 mobile platform firmware
- qualcomm snapdragon 6 gen 3 mobile platform firmware
- qualcomm snapdragon 6 gen 4 mobile platform firmware
- qualcomm snapdragon 7s gen 3 mobile platform firmware
- qualcomm snapdragon 8 elite firmware
- qualcomm snapdragon 8 elite gen 5 firmware
- qualcomm snapdragon 8 gen 3 mobile platform firmware
- qualcomm snapdragon ar1\+ gen 1 platform firmware
- qualcomm snapdragon ar1 gen 1 platform firmware
- qualcomm snapdragon x72 5g modem-rf system firmware
- qualcomm snapdragon x75 5g modem-rf system firmware
- qualcomm sxr2230p firmware
- qualcomm sxr2250p firmware
- qualcomm sxr2330p firmware
- qualcomm sxr2350p firmware
- qualcomm wcd9340 firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9378 firmware
- qualcomm wcd9378c firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcd9390 firmware
- qualcomm wcd9395 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn6450 firmware
- qualcomm wcn6650 firmware
- qualcomm wcn6755 firmware
- qualcomm wcn7860 firmware
- qualcomm wcn7861 firmware
- qualcomm wcn7880 firmware
- qualcomm wcn7881 firmware
- qualcomm wsa8810 firmware
- qualcomm wsa8815 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8832 firmware
- qualcomm wsa8835 firmware
- qualcomm wsa8840 firmware
- qualcomm wsa8845 firmware
- qualcomm wsa8845h firmware
- qualcomm x2000077 firmware
- qualcomm x2000086 firmware
- qualcomm x2000090 firmware
- qualcomm x2000092 firmware
- qualcomm x2000094 firmware
- qualcomm xg101002 firmware
- qualcomm xg101032 firmware
- qualcomm xg101039 firmware
- qualcomm xrv7209 firmware
- qualcomm xrv9209 firmware
- qualcomm, inc. snapdragon
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21381 is a high vulnerability (CVSS 7.6) in Qualcomm Ar8035 Firmware, published April 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.