CVE-2019-7256 Nice Linear eMerge E3-Series OS Command Injection

Exploited in the wild Critical 9.8 Published 2 Jul 2019 Updated 21 Oct 2025

Attackers can execute arbitrary commands on Linear eMerge E3-Series devices due to improper neutralization of special elements.

Exploited in the wild: Since 25 Mar 2024
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-7256?

CVE-2019-7256 is a critical command injection vulnerability in n/a, published on 2 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Linear eMerge E3-Series devices allow Command Injections.

Weakness: CWE-78

Which versions are affected by CVE-2019-7256?

It affects 2 products.

Products include Nortekcontrol Linear Emerge Elite Firmware, Nortekcontrol Linear Emerge Essential Firmware.

How do I fix CVE-2019-7256?

No fix has been published for CVE-2019-7256 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 15 Apr 2024.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2019-7256 being exploited?

Yes. Attackers have exploited CVE-2019-7256 in the wild since at least 25 Mar 2024.

Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 1 Nuclei template.

Sources

Also known as GHSA-24pq-phfq-785f.