Use of Insecure Protocol in WeenyGenius by Howyar Technologies
CVE-2026-89177

8.7HIGH

Key Information:

Vendor

Howyar

Status
Weenygenius
Vendor
CVE Published:
11 September 2026

What is CVE-2026-89177?

The WeenyGenius system, designed for managing computer labs, is vulnerable due to its reliance on ZMTP Null mode, allowing unauthenticated users on the same network to intercept packets. This exposes sensitive data transmission to potential leaks and enables attackers to execute replay attacks using forged commands, which could disrupt normal classroom activities and compromise the integrity of the system. Organizations utilizing WeenyGenius should implement immediate countermeasures to secure their networks against these threats.

Affected Version(s)

WeenyGenius 0 <= 12.2.031

References

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

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.