EUVD Vulnerability Catalog

EUVD-2026-66403

Severity: CRITICAL Base Score: 10 CVSS Version: 3.1

Vulnerability Description

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Talk Application to execute a Command Injection on the host device.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

▪ Attack Vector (AV): Network
▪ Attack Complexity (AC): Low
▪ Privileges Required (PR): None
▪ User Interaction (UI): None
▪ Scope (S): Changed
▪ Confidentiality Impact (C): High
▪ Integrity Impact (I): High
▪ Availability Impact (A): High

Affected Vendors & Systems

Vendor Ubiquiti Inc

References & Advisory Links

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

Ubiquiti

EPSS Probability

0

Known Aliases
CVE-2026-77554
Published On

2026-08-26

Last Updated

2026-08-26