CVE-2026-77556
HighCVSS 7.5Summary
A malicious actor with access to the network could exploit an out-of-bounds read vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.
Risk Assessment
An attacker with network access could cause a crash or unavailability of the UniFi gateway, disrupting the organization's network operations.
Recommendation
Update UniFi gateway device firmware to the latest version and restrict network access to their management interfaces.
Other vulnerabilities in UniFi gateway devices
See all- CVE-2026-95862High
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.
- CVE-2026-95861High
A malicious actor with access to the network could exploit an Uncontrolled Recursion vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.
- CVE-2026-77558High
A malicious actor with access to the network could exploit an out-of-bounds read vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.
- CVE-2026-77555High
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.
- CVE-2026-77544High
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.
Original NVD description (English source)
A malicious actor with access to the network could exploit an Out-of-bounds Read vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.