Description
WeenyGenius, a computer lab management system by Howyar Technologies, has a Use of Insecure Protocol vulnerability. Due to the reliance on ZMTP Null mode, unauthenticated attackers on the same network can capture packets to leak transmitted data, or perform replay attacks with forged commands to disrupt classroom operations.
Published: 2026-09-11
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Update to version 12.3.033 or later.

Tracking

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Advisories

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History

Fri, 11 Sep 2026 07:45:00 +0000

Type Values Removed Values Added
Description WeenyGenius, a computer lab management system by Howyar Technologies, has a Use of Insecure Protocol vulnerability. Due to the reliance on ZMTP Null mode, unauthenticated attackers on the same network can capture packets to leak transmitted data, or perform replay attacks with forged commands to disrupt classroom operations.
Title Howyar｜WeenyGenius - Use of Insecure Protocol
Weaknesses CWE-757
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: twcert

Published:

Updated: 2026-09-11T07:35:40.861Z

Reserved: 2026-09-11T06:14:49.953Z

Link: CVE-2026-89177

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-11T08:16:48.813

Modified: 2026-09-11T08:16:48.813

Link: CVE-2026-89177

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-11T08:30:11Z

Weaknesses
  • CWE-757

    Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')