Possible buffer overflow due to improper input validation in factory calibration and test DIAG command in Snapdragon Auto, Snapdragon Compu…

published 2021-11-12 4y ago modified 2026-06-17 4mo ago also EUVD-2021-17185

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits: 0; none known

Possible buffer overflow due to improper input validation in factory calibration and test DIAG command in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

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Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Classification

Weakness

CWE-20 Improper Input Validation

References

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

Sources

CVE List CVE-2021-30254
NVD CVE-2021-30254

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