GPL Odorizers GPL750

aruschman

Apr 09, 2026

Release Date

April 09, 2026

Description

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Summary

Successful exploitation of this vulnerability could allow a low privileged remote attacker to manipulate register values, which would result in too much or too little odorant being injected into a gas line.

The following versions of GPL Odorizers GPL750 are affected:

GPL750 (XL4) >=v1.0|

GPL750 (XL4 Prime) >=v4.0|

GPL750 (XL7) >=v13.0|

GPL750 (XL7 Prime) >=v18.4|

CVSS Vendor Equipment Vulnerabilities

v3 8.6 GPL Odorizers GPL Odorizers GPL750 Missing Authentication for Critical Function

Background

Critical Infrastructure Sectors: Critical Manufacturing

Countries/Areas Deployed: Worldwide

Company Headquarters Location: United States

Vulnerabilities

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CVE-2026-4436

A low-privileged remote attacker can send Modbus packets to manipulate register values that are inputs to the odorant injection logic such that too much or too little odorant is injected into a gas line.

View CVE…