What is CVE-2019-19193?

CVE-2019-19193 is a medium-severity vulnerability in Ti Ble-Stack. CVSS score: 6.5/10. Published 2020-02-10.

How severe is CVE-2019-19193?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2019-19193 known to be exploited?

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

Vulnerability in Ti Ble-Stack

CVE-2019-19193

The Bluetooth Low Energy peripheral implementation on Texas Instruments SIMPLELINK-CC2640R2-SDK through 3.30.00.20 and BLE-STACK through 1.5.0 before Q4 2019 for CC2640R2 and CC2540/1 devices does not properly restrict the advertisement connection request packet on reception, allowing attackers in radio range to cause a denial of service (crash) via a crafted packet.

Published 2020-02-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Public proof-of-concept exploits

References

www.ti.com/tool/BLE-STACK (Vendor Advisory)
asset-group.github.io/disclosures/sweyntooth/ (Third Party Advisory)

Frequently asked questions

What is CVE-2019-19193?: CVE-2019-19193 is a medium-severity vulnerability in Ti Ble-Stack. CVSS score: 6.5/10. Published 2020-02-10.
How severe is CVE-2019-19193?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2019-19193 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.