CVE-2026-89177
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductWeenyGenius
PublishedSep 11, 2026
First seenSep 11, 2026
Weakness typeCWE-757CWE-757
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Howyar WeenyGenius | v ≤ 12.2.031 | — |
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