Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon response in Snapdr…

published 2021-10-20 5y ago modified 2026-06-17 4mo ago also EUVD-2021-17235

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

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

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Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD	2.0	6.4	AV:N/AC:L/Au:N/C:P/I:N/A:P

Affected products

Qualcomm, Inc. Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity

Classification

Weakness

CWE-125 Out-of-bounds Read

References

qualcomm.com /company/product-security/bulletins/october-2021-bulletin
vendor-advisory

Sources

CVE List CVE-2021-30304
NVD CVE-2021-30304

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