{"id":"CVE-2026-77544","title":"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.","summary":"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.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-787"],"vendor":"Ubiquiti Inc","product":"Dream Machines","affected":["dream_machines < 5.1.31","enterprise_firewalls < 5.1.31","dream_routers < 5.1.31","cloud_gateways < 5.1.31","dream_wall < 5.1.31","Express < 4.0.21","express_7 < 5.1.31","unifi_gateways < 5.1.26"],"published":"2026-09-22","updated":"2026-09-22","sourceUpdated":"2026-09-22T20:17:08.350","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77544","references":[{"url":"https://community.ui.com/releases/Security-Advisory-Bulletin-069-069/07e367a7-edec-4d85-a058-f97e5ce9ac9c","label":"fe490ce8-0395-4072-90d8-2707e1bdf984"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-22T19:32:07.314862Z"},"ingestedAt":"2026-09-22T19:09:10.008Z","slug":"CVE-2026-77544","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}