CVE-2020-11539

An issue was discovered on Tata Sonata Smart SF Rush 1.12 devices. It has been identified that the smart band has no pairing (mode 0 Bluetooth LE security level) The data being transmitted over the air is not encrypted. Adding to this, the data being sent to the smart band doesn't have any authentication or signature verification. Thus, any attacker can control a parameter of the device.

• CWE-306
• CWE-319
• CWE-347

• https://github.com/the-girl-who-lived/CVE-2020-11539/Exploit, Third Party Advisory
• https://medium.com/%40sayliambure/hacking-a-5-smartband-824763ab6e8f
• https://github.com/the-girl-who-lived/CVE-2020-11539/Exploit, Third Party Advisory
• https://medium.com/%40sayliambure/hacking-a-5-smartband-824763ab6e8f

Published

Apr 22, 2020

Last Modified

Jun 17, 2026

Status

Modified

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