CVE-2026-89176: Howyar｜WeenyGenius - Missing Authentication

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-11 · updated 2026-09-11
Weakness: CWE-306

Description

WeenyGenius, a computer lab management system developed by Howyar Technologies, has a Missing Authentication vulnerability. Unauthenticated attackers on the same network can easily spoof student or teacher endpoints. Impersonating a student can disrupt normal classroom operations, whereas impersonating a teacher can induce student computers to initiate connections, thereby gaining remote control over the student endpoints.

Affected products

Howyar WeenyGenius: through 12.2.031

References

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

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