Auth bypass in Qualcomm Ar8035

CVE-2025-21450

Cryptographic issue occurs due to use of insecure connection method while downloading.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-21450: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-21450?
CVE-2025-21450 is a critical-severity vulnerability in Qualcomm Ar8035, classified under Improper Authentication. CVSS score: 9.1/10. Published 2025-07-08.
How severe is CVE-2025-21450?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2025-21450 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.