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CVE-2026-7413— Persistent undocumented backdoor access in Yarbo robot

Quick assessment

Affected
Yarbo Firmware
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.

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版本存在安全漏洞，该漏洞源于隐藏的持久后门，可能导致远程未经身份验证或弱身份验证访问特权功能。

CVSS 7.2 · High EPSS 0.58% · P45

Affected Version Matrix 1

VendorProduct Version RangeStatus
Yarbo Firmware ≤ 2.3.9 affected
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I. Basic Information for CVE-2026-7413

Vulnerability Information
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Vulnerability Title
Persistent undocumented backdoor access in Yarbo robot
Source: CVE Program / CVE List V5
Vulnerability Description
A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is undocumented, cannot be disabled via user-facing settings, and survives factory reset and ordinary firmware updates.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
隐藏功能
Source: CVE Program / CVE List V5
Vulnerability Title
Yarbo 安全漏洞
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版本存在安全漏洞，该漏洞源于隐藏的持久后门，可能导致远程未经身份验证或弱身份验证访问特权功能。
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
Yarbo Firmware 0 ~ 2.3.9 -

II. Public POCs for CVE-2026-7413

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: Root SSH access with hardcoded password hy@0886!# confirmed - uid=0(root) gid=0(root) groups=0(root)
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
Upgrade to Pro+
claude_code · 9147 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-7413

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Other References for CVE-2026-7413 (1)

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

CVE-2026-7414 9.8 CRITICAL Hardcoded credentials in Yarbo robot firmware
CVE-2026-7415 9.8 CRITICAL Open MQTT orchestration without read/write ACLs in Yarbo robot firmware

IV. Related Vulnerabilities

Same product: Firmware
Same vendor: Yarbo
Same weakness: CWE-912

V. Comments for CVE-2026-7413

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