CVE-2019-3983

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-12-11 · updated 2026-06-17
Weakness: CWE-798

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.

Affected products

Amazon's Blink XT2 Sync Module: before 2.13.11 — fixed in 2.13.11

How to fix

Upgrade to a fixed version: Amazon's Blink XT2 Sync Module 2.13.11. Check the vendor advisory for mitigations.

References

https://www.tenable.com/security/research/tra-2019-51
https://www.tenable.com/security/research/tra-2019-51

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