CVE-2026-77544

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://community.ui.com/releases/Security-Advisory-Bulletin-069-069/07e367a7-edec-4d85-a058-f97e5ce9ac9c

Configurations

No configuration.

History

22 Sep 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-22 19:16

Updated : 2026-09-22 20:17

NVD link : CVE-2026-77544

Mitre link : CVE-2026-77544

CVE.ORG link : CVE-2026-77544

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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