CVE-2021-1956
Improper handling of ASB-U packet with L2CAP channel ID by slave host can lead to interference with piconet in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT,…
Does this matter?
Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.
Description
Improper handling of ASB-U packet with L2CAP channel ID by slave host can lead to interference with piconet in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.23% probability · 14th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- qualcomm/aqt1000 firmware · qualcomm/ar8035 firmware · qualcomm/csrb31024 firmware · qualcomm/qca6175a firmware · qualcomm/qca6390 firmware · qualcomm/qca6391 firmware · qualcomm/qca6420 firmware · qualcomm/qca6430 firmware · qualcomm/qca6564a firmware · qualcomm/qca6564au firmware · qualcomm/qca6574 firmware · qualcomm/qca6574a firmware · qualcomm/qca6574au firmware · qualcomm/qca6584au firmware · qualcomm/qca6595 firmware · qualcomm/qca6595au firmware · qualcomm/qca6696 firmware · qualcomm/qca8337 firmware · qualcomm/qcn7605 firmware · qualcomm/qcn7606 firmware · +22 more
- Source
- product-security@qualcomm.com
EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.