CVE-2026-44108 Firewall bypass during shutdown
An attacker can bypass firewall protections during system shutdown to access internal services, leading to full system compromise on Phoenix Contact devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-44108?
CVE-2026-44108 is a critical vulnerability in Phoenix Contact CHARX SEC-3000, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Due to a flaw in the execution order of scripts during shutdown, the firewall is terminated prematurely during system shutdown. This creates a temporary window in which internal services may become externally accessible, potentially allowing an unauthenticated remote attacker to connect to these services, resulting in full system compromise.
Weakness: CWE-696
Which versions are affected by CVE-2026-44108?
How do I fix CVE-2026-44108?
No fix has been published for CVE-2026-44108 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-44108 being exploited?
There is no known exploitation of CVE-2026-44108 in the wild and no public exploit code.
Sources
Also known as GHSA-hj6x-rh93-r6v7.