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TI-2025-20069 Aliases CVE-2025-27212GHSA-pr73-55xw-cpwc

Improper input validation in Ubiquiti UniFi Access Reader Pro

Priority MEDIUM 51CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-77.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01155 67th percentileScored 2026-11-07
Fix Fixed UniFi Access Reader Pro (Ubiquiti Inc): 2.15.9UniFi Access G2 Reader Pro (Ubiquiti Inc): 1.11.23+4 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UbiquitiUniFi Access Reader Pro2.15.9 to before 2.15.92.15.9Patch availableCNA
UbiquitiUniFi Access G2 Reader Pro1.11.23 to before 1.11.231.11.23Patch availableCNA
UbiquitiUniFi Access G3 Reader Pro1.11.22 to before 1.11.221.11.22Patch availableCNA
UbiquitiUniFi Access Intercom1.8.22 to before 1.8.221.8.22Patch availableCNA
UbiquitiUniFi Access G3 Intercom1.8.22 to before 1.8.221.8.22Patch availableCNA
UbiquitiUniFi Access Intercom Viewer1.4.39 to before 1.4.391.4.39Patch availableCNA
  • UniFi Access Reader Pro VendorUbiquiti Affected 2.15.9 to before 2.15.9 Fixed in 2.15.9 Patch available CNA
  • UniFi Access G2 Reader Pro VendorUbiquiti Affected 1.11.23 to before 1.11.23 Fixed in 1.11.23 Patch available CNA
  • UniFi Access G3 Reader Pro VendorUbiquiti Affected 1.11.22 to before 1.11.22 Fixed in 1.11.22 Patch available CNA
  • UniFi Access Intercom VendorUbiquiti Affected 1.8.22 to before 1.8.22 Fixed in 1.8.22 Patch available CNA
  • UniFi Access G3 Intercom VendorUbiquiti Affected 1.8.22 to before 1.8.22 Fixed in 1.8.22 Patch available CNA
  • UniFi Access Intercom Viewer VendorUbiquiti Affected 1.4.39 to before 1.4.39 Fixed in 1.4.39 Patch available CNA

Remediation

  • Fix · CNA UniFi Access Reader Pro (Ubiquiti Inc) Fixed in 2.15.9
  • Fix · CNA UniFi Access G2 Reader Pro (Ubiquiti Inc) Fixed in 1.11.23
  • Fix · CNA UniFi Access G3 Reader Pro (Ubiquiti Inc) Fixed in 1.11.22
  • Fix · CNA UniFi Access Intercom (Ubiquiti Inc) Fixed in 1.8.22
  • Fix · CNA UniFi Access G3 Intercom (Ubiquiti Inc) Fixed in 1.8.22
  • Fix · CNA UniFi Access Intercom Viewer (Ubiquiti Inc) Fixed in 1.4.39

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-27212
  2. 2026-10-03 Alias added: GHSA-pr73-55xw-cpwc

References

Other 1

  • TI-2026-27142 Improper input validation in Ubiquiti UniFi OS Server KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-27141 Path traversal in Ubiquiti UniFi OS Server KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-27140 Improper access control in Ubiquiti UniFi OS Server KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-05027 On certain Ubiquiti devices, Command Injection exists via a GET request to stainfo.cgi… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-19187 AirControl 1.4.2 - PreAuth Remote Code Execution CVSS 4.0CRITICAL 9.3
  • TI-2015-07644 Ubiquiti airOS HTTP(S) unauthenticated arbitrary file upload CVSS 3.0CRITICAL 9.8
See all 206 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences