CVE-2023-1731: Improper Input Validation in Meinberg LTOS

Severity: high (CVSS 7.2 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: none known
Published: 2023-04-24 · updated 2026-06-17
Weakness: CWE-434

Description

In Meinbergs LTOS versions prior to V7.06.013, the configuration file upload function would not correctly validate the input, which would allow an remote authenticated attacker with high privileges to execute arbitrary commands.

Affected products

Meinbergglobal Lantime Firmware: before 7.06.013 — fixed in 7.06.013

How to fix

Upgrade to a fixed version: Meinbergglobal Lantime Firmware 7.06.013. Check the vendor advisory for mitigations.

References

https://www.meinbergglobal.com/english/news/meinberg-security-advisory-mbgsa-2023-02-lantime-firmware-v7-06-013.htm
https://www.meinbergglobal.com/english/news/meinberg-security-advisory-mbgsa-2023-02-lantime-firmware-v7-06-013.htm

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