CVE-2019-3983

Name: CVE-2019-3983
Creator: NVD / NIST
Published: 2019-12-11T23:15:11.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 1.02%

Last modified Jun 17, 2026

CVE-2019-3983 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Blink XT2 Sync Module firmware prior to 2.13.11 allows remote attackers to execute arbitrary code and commands on the device due to insufficient UART protections.. EPSS estimates a 1.02% chance of exploitation in the next 30 days.

Description

Blink XT2 Sync Module firmware prior to 2.13.11 allows remote attackers to execute arbitrary code and commands on the device due to insufficient UART protections.

Metrics

CVSS 3.1

6.8/10

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

EPSS Probability

1.02%

59.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Amazon	Blink Xt2 Sync Module Firmware	< 2.13.11

References

https://www.tenable.com/security/research/tra-2019-51Exploit, Third Party Advisory
https://www.tenable.com/security/research/tra-2019-51Exploit, Third Party Advisory

Timeline

Published: Dec 11, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-3983?

Blink XT2 Sync Module firmware prior to 2.13.11 allows remote attackers to execute arbitrary code and commands on the device due to insufficient UART protections.

How severe is CVE-2019-3983?

CVE-2019-3983 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3983?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-3983?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST