CVE-2025-59484 AutomationDirect CLICK PLUS Use of a Broken or Risky Cryptographic Algorithm
An insecure RSA implementation in AutomationDirect CLICK PLUS PLC firmware allows attackers to bypass cryptographic protections.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-59484?
CVE-2025-59484 is a high-severity 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, and only if a user opens a file or follows a link.
Official description
The use of a broken or risky cryptographic algorithm was discovered in firmware version 3.60 of the Click Plus PLC. The vulnerability relies on the fact that the software uses an insecure implementation of the RSA encryption algorithm.
Weakness: CWE-327
Which versions are affected by CVE-2025-59484?
How do I fix CVE-2025-59484?
No fix has been published for CVE-2025-59484 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-59484 being exploited?
There is no known exploitation of CVE-2025-59484 in the wild and no public exploit code.
Sources
Also known as GHSA-p3m4-mwpv-24q7.