CVE-2019-17520
Last modified
CVE-2019-17520 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The Bluetooth Low Energy implementation on Texas Instruments SDK through 3.30.00.20 for CC2640R2 devices does not properly restrict the SM Public Key packet on reception, allowing attackers in radio range to cause a denial of service (crash) via crafted packets.. EPSS estimates a 1.81% chance of exploitation in the next 30 days.
Description
The Bluetooth Low Energy implementation on Texas Instruments SDK through 3.30.00.20 for CC2640R2 devices does not properly restrict the SM Public Key packet on reception, allowing attackers in radio range to cause a denial of service (crash) via crafted packets.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ti | Cc2640r2 Software Development Kit | <= 3.30.00.20 |
References
- http://www.ti.com/tool/LAUNCHXL-CC2640R2Product, Vendor Advisory
- https://asset-group.github.io/disclosures/sweyntooth/Third Party Advisory
- https://www.youtube.com/watch?v=Iw8sIBLWE_wExploit, Third Party Advisory
- http://www.ti.com/tool/LAUNCHXL-CC2640R2Product, Vendor Advisory
- https://asset-group.github.io/disclosures/sweyntooth/Third Party Advisory
- https://www.youtube.com/watch?v=Iw8sIBLWE_wExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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