CVE-2025-59484AutomationDirect CLICK PLUS Use of a Broken or Risky Cryptographic Algorithm
Updated under an hour ago ()
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It affects AutomationDirect CLICK PLUS C0-0x CPU firmware and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
- Weakness (CWE)
- CWE-327
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- icscert
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2025
- First seen by InfoSec Signals
- Oct 18, 2026
Affected products
AutomationDirect CLICK PLUS C0-0x CPU firmware automationdirect:click_plus_c0_0x_cpu_firmware (from the name) | before v3.71 | CNA record |
AutomationDirect CLICK PLUS C0-1x CPU firmware automationdirect:click_plus_c0_1x_cpu_firmware (from the name) | before v3.71 | CNA record |
AutomationDirect CLICK PLUS C2-x CPU firmware automationdirect:click_plus_c2_x_cpu_firmware (from the name) | before v3.71 | CNA record |
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-01
- https://www.automationdirect.com/support/software-downloads
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.