Denial of Service Vulnerability in Zenitel Connect Product by Zenitel
CVE-2026-105624

6.9MEDIUM

Key Information:

Vendor

Zenitel

Vendor
CVE Published:
13 November 2026

What is CVE-2026-105624?

Zenitel Connect prior to version 1.11.0 is vulnerable due to its login flow design, which permits per-account lockouts following successive failed login attempts. This flaw empowers remote attackers to execute denial of service attacks, causing temporary lockouts for targeted user accounts on the web interface. The impacts can be persistent as long as the malicious attempts continue, effectively hindering legitimate user access. It is important to note that this vulnerability does not affect intercom call handling features.

Affected Version(s)

Zenitel Connect 0 < 1.11.0

References

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Reported by ZeroSubnet
.