CVE-2026-89177

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.twcert.org.tw/en/cp-139-11200-ffc3c-2.html
https://www.twcert.org.tw/tw/cp-132-11201-658c0-1.html

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-11 08:16

Updated : 2026-09-11 16:17

NVD link : CVE-2026-89177

Mitre link : CVE-2026-89177

CVE.ORG link : CVE-2026-89177

JSON object : View

Products Affected

No product.

CWE

CWE-757

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

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