Vulnerability in Qualcomm 315 5g Iot Modem

CVE-2025-21452

Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% 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-2025-21452: held from 0.002 to 0.002.

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-21452?
CVE-2025-21452 is a high-severity vulnerability in Qualcomm 315 5g Iot Modem, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2025-08-06.
How severe is CVE-2025-21452?
High severity. CVSS v3 base score is 7.5 out of 10.