A malicious actor with access to the network could exploit an Out-of-bounds Write vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.
History

Tue, 29 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Ubiquiti
Ubiquiti cloud Gateways
Ubiquiti dream Machines
Ubiquiti dream Routers
Ubiquiti dream Wall
Ubiquiti enterprise Firewalls
Ubiquiti express
Ubiquiti express 7
Ubiquiti unifi Gateways
Vendors & Products Ubiquiti
Ubiquiti cloud Gateways
Ubiquiti dream Machines
Ubiquiti dream Routers
Ubiquiti dream Wall
Ubiquiti enterprise Firewalls
Ubiquiti express
Ubiquiti express 7
Ubiquiti unifi Gateways

Tue, 22 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 22 Sep 2026 19:45:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write in UniFi Gateways Leading to Device Denial of Service

Tue, 22 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
Description A malicious actor with access to the network could exploit an Out-of-bounds Write vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Ubiquiti

Published: 2026-09-22T18:34:39.993Z

Updated: 2026-09-22T19:32:21.278Z

Reserved: 2026-08-20T20:32:37.793Z

Link: CVE-2026-77544

cve-icon Vulnrichment

Updated: 2026-09-22T19:32:13.559Z

cve-icon NVD

Status : Deferred

Published: 2026-09-22T19:16:51.600

Modified: 2026-09-22T20:17:08.350

Link: CVE-2026-77544

cve-icon Redhat

No data.