CVE-2025-58473 AutomationDirect CLICK PLUS Improper Resource Shutdown or Release
Unauthenticated attackers can cause denial of service by exhausting device sessions in AutomationDirect CLICK PLUS PLCs.
- 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-2025-58473?
CVE-2025-58473 is a high-severity denial of service vulnerability in AutomationDirect CLICK PLUS C0-0x CPU firmware, published on 23 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An improper resource shutdown or release vulnerability has been identified in the Click Plus C2-03CPU-2 device running firmware version 3.60. The vulnerability allows an unauthenticated attacker to perform a denial-of-service attack by exhausting all available device sessions of the Click Programming Software.
Weakness: CWE-404
Which versions are affected by CVE-2025-58473?
How do I fix CVE-2025-58473?
No fix has been published for CVE-2025-58473 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-58473 being exploited?
There is no known exploitation of CVE-2025-58473 in the wild and no public exploit code.
Sources
Also known as GHSA-jpgr-mp9r-3h9m.