CVE-2026-1627: High severity SICK Lms1000 Firmware vulnerability

Published Feb 27, 2026
·
Updated

An attacker may exploit the use of outdated and weak MAC algorithms in the device’s SSH service to potentially compromise the integrity of the SSH session, allowing manipulation of transmitted data if the attacker can interact with the network traffic.

Affected Software

4 affected components
All of the following
SICK Lms1000 Firmware<2.4.1
SICK Lms1000
All of the following
SICK Mrs1000 Firmware<2.4.1
SICK Mrs1000

Remediation

Information

Users are strongly recommended to upgrade to release version 2.4.1.

Event History

Feb 27, 2026
CVE Published
via MITRE·08:43 AM
Data Sourced
via MITRE·08:43 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-1627?

The severity of CVE-2026-1627 is considered high due to the potential compromise of the SSH session integrity.

2

How do I fix CVE-2026-1627?

To fix CVE-2026-1627, update your device's firmware to a version later than 2.4.1 that employs stronger MAC algorithms.

3

What systems are affected by CVE-2026-1627?

CVE-2026-1627 affects the SICK Lms1000 and Mrs1000 devices running firmware versions prior to 2.4.1.

4

What is the impact of CVE-2026-1627?

The impact of CVE-2026-1627 includes potential manipulation of data transmitted over compromised SSH sessions.

5

Who is at risk from CVE-2026-1627?

Organizations using affected SICK Lms1000 or Mrs1000 devices are at risk from CVE-2026-1627 due to weak MAC algorithms.

Contact

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