What’s Vulnerable › Vulnerabilities

CVE-2019-17520

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-02-10 · updated 2026-06-17
• Weakness: CWE-120

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.

Affected products

• Ti Cc2640R2 Software Development Kit: through 3.30.00.20

References

• http://www.ti.com/tool/LAUNCHXL-CC2640R2
• https://asset-group.github.io/disclosures/sweyntooth/
• https://www.youtube.com/watch?v=Iw8sIBLWE_w
• http://www.ti.com/tool/LAUNCHXL-CC2640R2
• https://asset-group.github.io/disclosures/sweyntooth/
• https://www.youtube.com/watch?v=Iw8sIBLWE_w

Get alerted when CVE-2019-17520 or the next vulnerability affects your stack