What is CVE-2021-35081?

CVE-2021-35081 is a critical-severity vulnerability in Qualcomm Aqt1000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-06-14.

How severe is CVE-2021-35081?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Qualcomm Aqt1000

CVE-2021-35081

Possible buffer overflow due to improper validation of SSID length received from beacon or probe response during an IBSS session in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

Vulnerability class: Buffer Overflow

Published 2022-06-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.qualcomm.com/company/product-security/bulletins/april-2022-bulletin (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-35081?: CVE-2021-35081 is a critical-severity vulnerability in Qualcomm Aqt1000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-06-14.
How severe is CVE-2021-35081?: Critical severity. CVSS v3 base score is 9.8 out of 10.