CVE-2019-3984

Name: CVE-2019-3984
Creator: NVD / NIST
Published: 2019-12-31T18:15:11.61+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.77%

Last modified Jun 17, 2026

CVE-2019-3984 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Blink XT2 Sync Module firmware prior to 2.13.11 allows remote attackers to execute arbitrary commands on the device due to improperly sanitized input when the device retrieves updates scripts from the internet.. EPSS estimates a 3.77% 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 commands on the device due to improperly sanitized input when the device retrieves updates scripts from the internet.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.77%

88.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Amazon	Blink Xt2 Sync Module Firmware	< 2.3.11

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 31, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-3984?

How severe is CVE-2019-3984?

CVE-2019-3984 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.77% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3984?

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-2019-3984?

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

Scan your code now

Source: NVD / NIST