CVE-2025-52663: Ubiquiti Inc UniFi Talk g3 Phones

High severity, CVSS 7.3. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability was identified in certain UniFi Talk devices where internal debugging functionality remained unintentionally enabled. This issue could allow an attacker with access to the UniFi Talk management network to invoke internal debug operations through the device API. Affected Products: UniFi Talk Touch (Version 1.21.16 and earlier) UniFi Talk Touch Max (Version 2.21.22 and earlier) UniFi Talk G3 Phones (Version 3.21.26 and earlier) Mitigation: Update the UniFi Talk Touch to Version 1.21.17 or later. Update the UniFi Talk Touch Max to Version 2.21.23 or later. Update the UniFi Talk G3 Phones to Version 3.21.27 or later.

Affected products

• Ubiquiti Inc UniFi Talk g3 Phones: before 3.21.27 (fixed in 3.21.27); from 3.21.27
• Ubiquiti Inc UniFi Talk Touch: before 1.21.17 (fixed in 1.21.17); from 1.21.17
• Ubiquiti Inc UniFi Talk Touch Max: before 2.21.23 (fixed in 2.21.23); from 2.21.23

Published 2025-10-31. Last modified 2026-06-17.