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CVE-2026-77551

Quick assessment

Affected
Ubiquiti Inc UniFi Connect Display Cast Pro
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

具有网络访问权限并在特定条件下，恶意攻击者可以利用 UniFi Connect Display Cast Pro 中发现的不当访问控制漏洞，从而提升该设备上的权限。

CVSS 9.0 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Ubiquiti Inc UniFi Connect Display Cast Pro < 1.0.111 affected
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I. Basic Information for CVE-2026-77551

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A malicious actor with access to the network and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi Connect Display Cast Pro to escalate privileges on the device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Ubiquiti Inc UniFi Connect Display Cast Pro 0 ~ 1.0.111 -

II. Public POCs for CVE-2026-77551

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III. Intelligence Information for CVE-2026-77551

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Other References for CVE-2026-77551 (1)

Same Patch Batch · Ubiquiti Inc · 2026-08-26 · 23 CVEs total

CVE-2026-77537 10.0 CRITICAL UniFi Protect命令注入漏洞
CVE-2026-77554 10.0 CRITICAL UniFi Talk命令注入漏洞
CVE-2026-77550 10.0 CRITICAL UniFi OS CRLF注入绕过认证
CVE-2026-77534 9.9 CRITICAL UniFi OS 设备权限提升漏洞
CVE-2026-77533 9.9 CRITICAL UniFi Protect命令注入漏洞
CVE-2026-77536 9.9 CRITICAL UniFi OS 设备权限提升漏洞
CVE-2026-77553 9.9 CRITICAL UniFi Access Application权限提升漏洞
CVE-2026-77543 9.9 CRITICAL UniFi Access Application 命令注入漏洞
CVE-2026-77546 9.9 CRITICAL UniFi Access应用命令注入漏洞
CVE-2026-77548 9.9 CRITICAL UniFi Protect命令注入漏洞
CVE-2026-77547 9.9 CRITICAL UniFi Access 命令注入漏洞
CVE-2026-77557 9.8 CRITICAL UniFi Protect AI Key 1.x 权限提升漏洞
CVE-2026-77552 9.8 CRITICAL UniFi Audio/Video Bridge命令注入漏洞
CVE-2026-77532 9.6 CRITICAL EdgeMAX EdgeSwitch DHCPv6缓冲区溢出致远程代码执行
CVE-2026-77542 9.1 CRITICAL UID Enterprise Agent命令注入漏洞
CVE-2026-77541 9.1 CRITICAL UniFi Network Application越权漏洞
CVE-2026-77539 9.1 CRITICAL UniFi OS Server 命令注入漏洞
CVE-2026-77535 9.1 CRITICAL UniFi Network命令注入漏洞
CVE-2026-77540 9.1 CRITICAL UniFi OS Server命令注入漏洞
CVE-2026-77545 9.0 CRITICAL UniFi OS特权提升漏洞

Showing top 20 of 23 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Ubiquiti Inc
Same weakness: CWE-284

V. Comments for CVE-2026-77551

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