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

Howyar Technologies WeenyGenius contains a use of insecure protocol caused by reliance on ZMTP Null mode, letting unauthenticated attackers on the same network capture packets or perform replay attacks, exploit requires network access.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.36% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use of Insecure Protocol
Impact
Information Disclosure, Denial Of Service
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
11 September 2026
Updated
15 October 2026
Weakness
CWE-757

Vendor fix

Update to the latest version with secure protocol support.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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