CVE-2026-80275 Comelit Multi-User Gateway - Broken Access Control

Comelit Multi-User Gateway for VIP System (model 1456B) 2.9.1 and 2.10.0 contain a broken access control caused by missing server-side authorization on administrative password-change function, letting authenticated users overwrite administrator passwords, exploit requires user authentication.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
1 October 2026
Updated
15 October 2026
Weakness
CWE-425

Vendor fix

Update to the latest firmware version that enforces proper authorization.

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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