Vulnerability · Published Aug 4, 2025 · Assigned by hackerone

CVE-2025-27212

Critical 9.8

In plain English

A critical-severity improper input validation in UniFi Access G2 Reader Pro from Ubiquiti Inc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.2%top 32.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An Improper Input Validation in certain UniFi Access devices could allow a Command Injection by a malicious actor with access to UniFi Access management network. Affected Products: UniFi Access Reader Pro (Version 2.14.21 and earlier) UniFi Access G2 Reader Pro (Version 1.10.32 and earlier) UniFi Access G3 Reader Pro (Version 1.10.30 and earlier) UniFi Access Intercom (Version 1.7.28 and earlier) UniFi Access G3 Intercom (Version 1.7.29 and earlier) UniFi Access Intercom Viewer (Version 1.3.20 and earlier) Mitigation: Update UniFi Access Reader Pro Version 2.15.9 or later Update UniFi Access G2 Reader Pro Version 1.11.23 or later Update UniFi Access G3 Reader Pro Version 1.11.22 or later Update UniFi Access Intercom Version 1.8.22 or later Update UniFi Access G3 Intercom Version 1.8.22 or later Update UniFi Access Intercom Viewer Version 1.4.39 or later

Affected products (as reported)

VendorProductVersions
Ubiquiti Inc UniFi Access Reader Pro 2.15.9 – before 2.15.9
Ubiquiti Inc UniFi Access G2 Reader Pro 1.11.23 – before 1.11.23
Ubiquiti Inc UniFi Access G3 Reader Pro 1.11.22 – before 1.11.22
Ubiquiti Inc UniFi Access Intercom 1.8.22 – before 1.8.22
Ubiquiti Inc UniFi Access G3 Intercom 1.8.22 – before 1.8.22
Ubiquiti Inc UniFi Access Intercom Viewer 1.4.39 – before 1.4.39

Weakness: CWE-20, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References