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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.

Ubiquiti UniFi Connect Display Cast Pro是美国Ubiquiti公司的一款无线投屏设备。 Ubiquiti UniFi Connect Display Cast Pro 1.0.111之前版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致具有网络访问权限的恶意行为者在特定条件下提升设备权限。

CVSS 9.0 · Critical EPSS 0.37% · P30

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
Vulnerability Title
Ubiquiti UniFi Connect Display Cast Pro 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ubiquiti UniFi Connect Display Cast Pro是美国Ubiquiti公司的一款无线投屏设备。 Ubiquiti UniFi Connect Display Cast Pro 1.0.111之前版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致具有网络访问权限的恶意行为者在特定条件下提升设备权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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-2026-77554 10.0 CRITICAL Ubiquiti UniFi Talk Application 输入验证错误漏洞
CVE-2026-77537 10.0 CRITICAL Ubiquiti UniFi Protect Application 输入验证错误漏洞
CVE-2026-77550 10.0 CRITICAL Ubiquiti UniFi OS Server 输入验证错误漏洞
CVE-2026-77534 9.9 CRITICAL Ubiquiti UniFi OS Server 权限许可和访问控制问题漏洞
CVE-2026-77536 9.9 CRITICAL Ubiquiti UniFi OS Server 权限许可和访问控制问题漏洞
CVE-2026-77553 9.9 CRITICAL Ubiquiti UniFi Access Application 权限许可和访问控制问题漏洞
CVE-2026-77543 9.9 CRITICAL Ubiquiti UniFi Access Application 输入验证错误漏洞
CVE-2026-77546 9.9 CRITICAL Ubiquiti UniFi Access Application 输入验证错误漏洞
CVE-2026-77533 9.9 CRITICAL Ubiquiti UniFi Protect Application 输入验证错误漏洞
CVE-2026-77548 9.9 CRITICAL Ubiquiti UniFi Protect Application 输入验证错误漏洞
CVE-2026-77547 9.9 CRITICAL Ubiquiti UniFi Access Application 输入验证错误漏洞
CVE-2026-77557 9.8 CRITICAL Ubiquiti UniFi Protect AI Key 权限许可和访问控制问题漏洞
CVE-2026-77552 9.8 CRITICAL Ubiquiti UniFi Enterprise Audio/Video Bridge 输入验证错误漏洞
CVE-2026-77542 9.1 CRITICAL Ubiquiti UID Enterprise Agent 输入验证错误漏洞
CVE-2026-77541 9.1 CRITICAL Ubiquiti UniFi Access Application 权限许可和访问控制问题漏洞
CVE-2026-77539 9.1 CRITICAL Ubiquiti UniFi OS Server 输入验证错误漏洞
CVE-2026-77535 9.1 CRITICAL Ubiquiti UniFi Network Application 输入验证错误漏洞
CVE-2026-77540 9.1 CRITICAL Ubiquiti UniFi OS Server 输入验证错误漏洞
CVE-2026-77545 9.0 CRITICAL Ubiquiti UniFi OS Server 调试信息泄露漏洞
CVE-2026-77549 9.0 CRITICAL Ubiquiti UniFi OS Server 输入验证错误漏洞

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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