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CVE-2019-19193

21
FAUCET Score

CVE-2019-19193 is a denial-of-service vulnerability affecting Texas Instruments SIMPLELINK-CC2640R2-SDK and BLE-STACK for CC2640R2 and CC2540/1 devices. An attacker in radio range can crash affected devices by sending a specially crafted Bluetooth Low Energy advertisement connection request packet. This medium-severity vulnerability (CVSS 6.5) requires adjacent network access and no user interaction, leading to high impact on availability. While no public exploit code or active exploitation is reported, it garnered some community discussion and media coverage as part of the "SweynTooth" bug collection.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.5.0CPE matchmatch criteria
cpe:2.3:a:ti:ble-stack:*:*:*:*:*:*:*:*
<= 3.30.00.20CPE matchmatch criteria
cpe:2.3:a:ti:cc2640r2_software_development_kit:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.70%
Probability of exploitation in next 30 days
EPSS Percentile
49.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0070 is in the 77th percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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