CVE-2025-59484

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 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

8.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

EPSS

0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-25)

CWE

CWE-327

Published

2025-09-23

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

References

• https://www.automationdirect.com/support/software-downloads
• https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-01

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