CVE-2026-77555highCWE-787

CVE-2026-77555: high-severity vulnerability in Ubiquiti Inc Cloud Gateways

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 0.5%
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Ubiquiti Inc · Cloud GatewaysUbiquiti Inc · Dream MachinesUbiquiti Inc · Dream RoutersUbiquiti Inc · Dream WallUbiquiti Inc · Enterprise FirewallsUbiquiti Inc · ExpressUbiquiti Inc · Express 7Ubiquiti Inc · UniFi Gateways
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