CVE-2021-30304
Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon response in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon response in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 0.61% probability · 49th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- qualcomm/qca2062 firmware · qualcomm/qca2064 firmware · qualcomm/qca2065 firmware · qualcomm/qca2066 firmware · qualcomm/sc8280xp firmware · qualcomm/wcd9380 firmware · qualcomm/wcd9385 firmware · qualcomm/wcn6850 firmware · qualcomm/wcn6851 firmware · qualcomm/wcn6855 firmware · qualcomm/wcn6856 firmware · qualcomm/wsa8830 firmware · qualcomm/wsa8835 firmware
- Source
- product-security@qualcomm.com
EPSS 0.6% 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.