OCTOBER 10, 2026
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Case File

CVE-2026-77558

HIGH · CVSS 7.5 EPSS 0.46% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-22 · Last synced 2026-10-10

CyberRota Analysis

AI-Generated

Certain UniFi gateway devices are vulnerable to an Out-of-bounds Read vulnerability that can be exploited by an attacker with network access to execute a Denial of Service (DoS) attack. This could lead to device unavailability, impacting network operations. Organizations using affected UniFi devices should prioritize patching to mitigate this high-severity risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-77558
Severity
HIGH
CVSS
7.5
EPSS
0.46%

Original NVD Description

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.