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CVE-2026-50085— Aqara Board IoT insecure debug API

Quick assessment

Affected
Aqara Board service
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Aqara Board service是美国Aqara公司的一个负责接收和转发设备控制消息的服务。 Aqara Board service存在授权问题漏洞，该漏洞源于缺失关键功能身份验证，可能导致未经身份验证的攻击者远程接收任意MQTT命令有效载荷并转发至HiveMQ代理，从而可能导致受影响设备被远程接管。

CVSS 8.6 · High EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Aqara Board service 2026-04-20< 0 affected
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I. Basic Information for CVE-2026-50085

Vulnerability Information
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Vulnerability Title
Aqara Board IoT insecure debug API
Source: CVE Program / CVE List V5
Vulnerability Description
The Aqara Board service (op-test.aqara.com) accepts arbitrary MQTT command payloads, and forwards them to the platfom's HiveMQ broker without authentication. This is an instance of "CWE-306: Missing Authentication for Critical Function" and has an estimated CVSS ofCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L (8.6 High). When combined with CVE-2026-50082, CVE-50083, and CVE-50084, this can lead to a fully unauthenticated, remote takeover of affected devices.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Aqara Board service 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Aqara Board service是美国Aqara公司的一个负责接收和转发设备控制消息的服务。 Aqara Board service存在授权问题漏洞，该漏洞源于缺失关键功能身份验证，可能导致未经身份验证的攻击者远程接收任意MQTT命令有效载荷并转发至HiveMQ代理，从而可能导致受影响设备被远程接管。
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
Aqara Board service 2026-04-20 ~ 0 -

II. Public POCs for CVE-2026-50085

# POC Description Source Link Shenlong Link
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Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
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Qwen3.6-35B-A3B · 8038 chars
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III. Intelligence Information for CVE-2026-50085

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Vendor Advisories for CVE-2026-50085 (1)

Proof of Concept for CVE-2026-50085 (1)

Same Patch Batch · Aqara · 2026-06-12 · 10 CVEs total

CVE-2026-50086 10.0 CRITICAL Aqara unauthenticated AES oracle
CVE-2026-50084 9.6 CRITICAL Aqara API cross-account access
CVE-2026-50090 9.3 CRITICAL Aqara OAuth redirect_uri validation bypass
CVE-2026-50083 9.1 CRITICAL Aqara hardcoded OAuth client credentials
CVE-2026-50091 9.1 CRITICAL Aqara Home Android SDK hardcoded keys
CVE-2026-50087 8.2 HIGH Aqara IAM/SSO Gateway cross-origin resource sharing
CVE-2026-50088 8.2 HIGH Aqara Developer Portal cross-origin resource sharing
CVE-2026-50082 6.5 MEDIUM Aqara Developer Portal insecure authentication token
CVE-2026-50089 6.1 MEDIUM Aqara IAM/SSO Gateway open redirect

IV. Related Vulnerabilities

Same vendor: Aqara
Same weakness: CWE-306

V. Comments for CVE-2026-50085

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