CVE-2026-77534
Quick assessment
Affected
Ubiquiti Inc UniFi OS Server
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.
具有网络访问权限且权限较低的恶意攻击者可以利用存在于运行 UniFi OS 的某些设备中的不当访问控制漏洞，在这些 UniFi OS 设备或实例中提升权限。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1078 · Valid AccountsAffected Version Matrix 13
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Ubiquiti Inc | Cloud Gateways | < 5.1.31 |
affected |
| Ubiquiti Inc | Cloud Keys | < 5.1.31 |
affected |
| Ubiquiti Inc | Dream Machines | < 5.1.31 |
affected |
| Ubiquiti Inc | Dream Routers | < 5.1.31 |
affected |
| Ubiquiti Inc | Dream Wall | < 5.1.31 |
affected |
| Ubiquiti Inc | Enterprise Firewall Core | < 5.1.31 |
affected |
| Ubiquiti Inc | Enterprise Fortress Gateway | < 5.1.31 |
affected |
| Ubiquiti Inc | Enterprise Network Attached Storage | < 5.1.31 |
affected |
| Ubiquiti Inc | Enterprise Network Video Recorders | < 5.1.31 |
affected |
| Ubiquiti Inc | Express 7 | < 5.1.31 |
affected |
| Ubiquiti Inc | Network Attached Storage | < 5.1.32 |
affected |
| Ubiquiti Inc | Network Video Recorders | < 5.1.31 |
affected |
| Ubiquiti Inc | UniFi OS Server | < 5.1.37 |
affected |
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I. Basic Information for CVE-2026-77534
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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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 low privileges could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to escalate privileges within such UniFi OS devices or instances.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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 OS Server | 0 ~ 5.1.37 | - |
|
| Ubiquiti Inc | Cloud Keys | 0 ~ 5.1.31 | - |
|
| Ubiquiti Inc | Network Video Recorders | 0 ~ 5.1.31 | - |
|
| Ubiquiti Inc | Enterprise Network Video Recorders | 0 ~ 5.1.31 | - |
|
| Ubiquiti Inc | Enterprise Network Attached Storage | 0 ~ 5.1.31 | - |
|
| Ubiquiti Inc | Dream Machines | 0 ~ 5.1.31 | - |
|
| Ubiquiti Inc | Enterprise Firewall Core | 0 ~ 5.1.31 | - |
|
| Ubiquiti Inc | Dream Routers | 0 ~ 5.1.31 | - |
|
| Ubiquiti Inc | Enterprise Fortress Gateway | 0 ~ 5.1.31 | - |
|
| Ubiquiti Inc | Cloud Gateways | 0 ~ 5.1.31 | - |
|
| Ubiquiti Inc | Dream Wall | 0 ~ 5.1.31 | - |
|
| Ubiquiti Inc | Express 7 | 0 ~ 5.1.31 | - |
|
| Ubiquiti Inc | Network Attached Storage | 0 ~ 5.1.32 | - |
|
II. Public POCs for CVE-2026-77534
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-77534 (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-2026-77533 | 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 |
| CVE-2026-77549 | 9.0 CRITICAL | UniFi OS CRLF注入致认证绕过漏洞 |
Showing top 20 of 23 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-77534
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