OleumTech WIO Use of Cryptographically Weak Pseudo-Random Number Generator
Published Jul 24, 2014
7.8
HIGHCVSS 2.0
EPSS 1.58%
Description
OleumTech WIO DH2 Wireless Gateway and Sensor Wireless I/O Modules rely exclusively on a time value for entropy in key generation, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by predicting the time of project creation.
Affected products
-
- Version All versionsStatusaffectedConstraints-
- Version
-
- Version All versionsStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| OleumTech | Sensor Wireless I/O Modules | unaffected |
| ||||||
| OleumTech | WIO DH2 Wireless Gateway | unaffected |
|
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
OleumTech has created updates for both BreeZ and the gateway to mitigate all these vulnerabilities. These updates allow users to encrypt their wireless traffic with AES256. To obtain these updates, please log in to the OleumTech download center ( http://support.oleumtech.com/ ) or contact OleumTech tech support:Phone: 866-508-8586
Email: TechSupport@OleumTech.com
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.58% (0.01576) | 74.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.58% (0.01576) | 72.17th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.47% (0.00472) | 62.60th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.17% (0.00167) | 54.82th | v3 (v2023.03.01) |
| Jun 5, 2024 | 0.17% (0.00167) | 52.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00206) | 56.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (5)
- http://ics-cert.us-cert.gov/advisories/ICSA-14-202-01 Third Party AdvisoryUS Government Resource
- http://support.oleumtech.com/
- http://www.securityfocus.com/bid/68797 vdb-entryx_refsource_BID
- http://www.securityfocus.com/bid/68800
- https://www.cisa.gov/news-events/ics-advisories/icsa-14-202-01a
| Link | Providers | Tags |
|---|---|---|
| http://ics-cert.us-cert.gov/advisories/ICSA-14-202-01 | Third Party AdvisoryUS Government Resource | |
| http://support.oleumtech.com/ | ||
| http://www.securityfocus.com/bid/68797 | vdb-entryx_refsource_BID | |
| http://www.securityfocus.com/bid/68800 | ||
| https://www.cisa.gov/news-events/ics-advisories/icsa-14-202-01a |
Change history (0)
No recorded changes yet.