CVE-2021-37188

Published: Dec 10, 2021Modified: Jun 17, 2026

8.8

Vector

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

Exploitability: 2.8 / Impact: 5.9

Source: NVD

Description

An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may load customized firmware (because the bootloader does not verify that it is authentic), changing the behavior of the gateway.

Affected (11)

Products: Digi: Transport Dr64 Firmware, Transport Vc74 Firmware, Transport Wr11 Firmware, Transport Wr11 Xt Firmware, Transport Wr21 Firmware, Transport Wr31 Firmware, Transport Wr41 Firmware, Transport Wr44 Firmware

Digi

8 products

Transport Dr64 Firmware

Transport Vc74 Firmware

Transport Wr11 Firmware

Transport Wr11 Xt Firmware

Transport Wr21 Firmware

Transport Wr31 Firmware

Transport Wr41 Firmware

Transport Wr44 Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Digi Transport Dr64 Firmware	Up to 5.2.4.9

Running on/with	Platform Versions
Digi Transport Dr64	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Digi Transport Dr64 Firmware	All versions

Running on/with	Platform Versions
Digi Transport Sr44	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Digi Transport Vc74 Firmware	Up to 5.2.4.9

Running on/with	Platform Versions
Digi Transport Vc74	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Digi Transport Wr11 Firmware	Up to 8.2.1.3

Running on/with	Platform Versions
Digi Transport Wr11	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Digi Transport Wr11 Xt Firmware	Up to 8.2.1.3

Running on/with	Platform Versions
Digi Transport Wr11 Xt	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Digi Transport Wr21 Firmware	Up to 8.2.1.3

Running on/with	Platform Versions
Digi Transport Wr21	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Digi Transport Wr31 Firmware	Up to 8.2.1.3

Running on/with	Platform Versions
Digi Transport Wr31	All versions

Configuration H

3 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Digi Transport Wr41 Firmware	From 5.0.0.0 to 5.2.4.6
Digi Transport Wr41 Firmware	From 6.0.0.0 to 6.1.3.5
Digi Transport Wr41 Firmware	From 8.0.0.0 to 8.3.1.2