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CVE-2026-7415— Open MQTT orchestration without read/write ACLs in Yarbo robot firmware

CVSS 9.8 · Critical EPSS 0.03% · P9
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I. Basic Information for CVE-2026-7415

Vulnerability Information
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Vulnerability Title
Open MQTT orchestration without read/write ACLs in Yarbo robot firmware
Source: NVD (National Vulnerability Database)
Vulnerability Description
The MQTT broker embedded in Yarbo firmware v2.3.9 is configured to allow anonymous connections with no topic-level read or write ACLs. Any host on the same network can subscribe to sensitive telemetry topics or publish control messages directly to the robot without authentication or authorization of any kind.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Yarbo 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yarbo是美国Yarbo公司的一款模块化智能庭院维护机器人。 Yarbo 2.3.9版本存在访问控制错误漏洞，该漏洞源于MQTT代理配置允许匿名连接且无主题级读写ACL，可能导致同一网络上的任何主机订阅敏感遥测主题或发布控制消息。
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)

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Affected Products

VendorProductAffected VersionsCPESubscribe
YarboFirmware 0 ~ 2.3.9 -

II. Public POCs for CVE-2026-7415

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 10359 chars
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III. Intelligence Information for CVE-2026-7415

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Same Patch Batch · Yarbo · 2026-05-07 · 3 CVEs total

CVE-2026-74149.8 CRITICALHardcoded credentials in Yarbo robot firmware
CVE-2026-74137.2 HIGHPersistent undocumented backdoor access in Yarbo robot

IV. Related Vulnerabilities

Same product: Firmware
Same vendor: Yarbo
Same weakness: CWE-306

V. Comments for CVE-2026-7415

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