What is CVE-2021-35074?

CVE-2021-35074 is a high-severity vulnerability in Qualcomm Ar8035, classified under Integer Overflow or Wraparound. CVSS score: 8.4/10. Published 2022-02-11.

How severe is CVE-2021-35074?

High severity. CVSS v3 base score is 8.4 out of 10.

Is CVE-2021-35074 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Qualcomm Ar8035

CVE-2021-35074

Possible integer overflow due to improper fragment datatype while calculating number of fragments in a request message in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Vulnerability class: Integer Overflow

Published 2022-02-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (7.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-35074?: CVE-2021-35074 is a high-severity vulnerability in Qualcomm Ar8035, classified under Integer Overflow or Wraparound. CVSS score: 8.4/10. Published 2022-02-11.
How severe is CVE-2021-35074?: High severity. CVSS v3 base score is 8.4 out of 10.
Is CVE-2021-35074 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.