CVE-2018-20162

9.9 CRITICAL 4% exploit odds No fix listed Code execution Device

What it is

Digi TransPort LR54 4.4.0.26 and possible earlier devices have Improper Input Validation that allows users with 'super' CLI access privileges to bypass a restricted shell and execute arbitrary commands as root.

At a glance

Exploitability: Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 4.1% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2018-12-15 00:00 UTC ReservedThe CVE id was reserved by its CNA
2019-03-21 16:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:52 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 4.1% in the next 30 days (EPSS).
Severity: 9.9 CRITICAL (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2019-03-21 16:00 UTC
Last modified: 2026-06-17 01:52 UTC
Exploit probability: 4.1% · EPSS, next 30 days
Weakness: CWE-20 · Improper input validation
Record status: Modified

Affected

Digi Transport lr54 Firmware < 4.4.0.26

Attack profile CVSS 3.0 · 9.9

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Changed
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-20162.md and follow it. Check whether this project is affected by CVE-2018-20162. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record