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CVE PROGRAM SOURCE RECORD9.0 Critical

CVE-2026-77549

A malicious actor with access to the network and under certain conditions could exploit an Improper Neutralization of CRLF Sequences vulnerability found in certain devices running

Description

A malicious actor with access to the network and under certain conditions could exploit an Improper Neutralization of CRLF Sequences vulnerability found in certain devices running UniFi OS to bypass authentication to such UniFi OS devices or instances.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Ubiquiti Inc UniFi OS Server

Default version status: unaffected

  • 0 to < 5.1.37affected

Ubiquiti Inc Cloud Keys

Default version status: unaffected

  • 0 to < 5.1.31affected

Ubiquiti Inc Network Video Recorders

Default version status: unaffected

  • 0 to < 5.1.31affected

Ubiquiti Inc Enterprise Network Video Recorders

Default version status: unaffected

  • 0 to < 5.1.31affected

Ubiquiti Inc Enterprise Network Attached Storage

Default version status: unaffected

  • 0 to < 5.1.31affected

Ubiquiti Inc Dream Machines

Default version status: unaffected

  • 0 to < 5.1.31affected

Ubiquiti Inc Enterprise Firewall Core

Default version status: unaffected

  • 0 to < 5.1.31affected

Ubiquiti Inc Dream Routers

Default version status: unaffected

  • 0 to < 5.1.31affected

Ubiquiti Inc Enterprise Fortress Gateway

Default version status: unaffected

  • 0 to < 5.1.31affected

Ubiquiti Inc Cloud Gateways

Default version status: unaffected

  • 0 to < 5.1.31affected

Ubiquiti Inc Dream Wall

Default version status: unaffected

  • 0 to < 5.1.31affected

Ubiquiti Inc Express 7

Default version status: unaffected

  • 0 to < 5.1.31affected

Ubiquiti Inc Network Attached Storage

Default version status: unaffected

  • 0 to < 5.1.32affected

Ubiquiti Inc Express

Default version status: unaffected

  • 0 to < 4.0.17affected

References