CVE-2021-30303
Possible buffer overflow due to lack of buffer length check when segmented WMI command is received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Possible buffer overflow due to lack of buffer length check when segmented WMI command is received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.16% probability · 5th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- qualcomm/apq8009 firmware · qualcomm/apq8017 firmware · qualcomm/apq8064au firmware · qualcomm/apq8096au firmware · qualcomm/aqt1000 firmware · qualcomm/ar7420 firmware · qualcomm/ar8031 firmware · qualcomm/ar8035 firmware · qualcomm/ar9380 firmware · qualcomm/csr8811 firmware · qualcomm/csra6620 firmware · qualcomm/csra6640 firmware · qualcomm/csrb31024 firmware · qualcomm/ipq4018 firmware · qualcomm/ipq4019 firmware · qualcomm/ipq4028 firmware · qualcomm/ipq4029 firmware · qualcomm/ipq5010 firmware · qualcomm/ipq5018 firmware · qualcomm/ipq5028 firmware · +40 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.