CVE-2025-55069
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-23

Last updated on: 2025-09-24

Assigner: ICS-CERT

Description
A predictable seed in pseudo-random number generator vulnerability has been discovered in firmware version 3.60 of the Click Plus PLC. The vulnerability relies on the fact that the software implements a predictable seed for its pseudo-random number generator, which compromises the security of the generated private keys.
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Meta Information
Published
2025-09-23
Last Modified
2025-09-24
Generated
2026-06-16
AI Q&A
2025-09-24
EPSS Evaluated
2026-06-15
NVD
CVE-2025-55069
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
automationdirect click_plus_plc 3.60
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-337 A Pseudo-Random Number Generator (PRNG) is initialized from a predictable seed, such as the process ID or system time.
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Executive Summary

This vulnerability is due to the use of a predictable seed in the pseudo-random number generator within firmware version 3.60 of the Click Plus PLC. Because the seed is predictable, the private keys generated by this software can be compromised, weakening the security of cryptographic operations.

Impact Analysis

The vulnerability can lead to the compromise of private keys generated by the device, which may allow attackers to decrypt sensitive information, impersonate the device, or perform unauthorized actions, resulting in high confidentiality and integrity impacts and a low impact on availability.

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