CVE-2019-19196

Public Exploit

Description

The Bluetooth Low Energy Secure Manager Protocol (SMP) implementation on Telink Semiconductor BLE SDK versions before November 2019 for TLSR8x5x through 3.4.0, TLSR823x through 1.3.0, and TLSR826x through 3.3 devices accepts a pairing request with a key size greater than 16 bytes, allowing an attacker in radio range to cause a buffer overflow and denial of service (crash) via crafted packets.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory telink-semi.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.telink-semi.com/ble vendor advisory
https://asset-group.github.io/disclosures/sweyntooth/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-19196?
CVE-2019-19196 has been scored as a medium severity vulnerability.
How to fix CVE-2019-19196?
To fix CVE-2019-19196, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-19196 being actively exploited in the wild?
It is possible that CVE-2019-19196 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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