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CVE-2026-121816— About Time Technologies｜Herowatch Mini - Missing Authentication

Quick assessment

Affected
About Time Technologies Herowatch Mini
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.

由 About Time Technologies 开发的 Herowatch Mini 设备存在身份验证缺失漏洞。未经身份验证的远程攻击者可连接至受影响设备的 ADB 服务，获取 ADB Shell 访问权限，进而访问设备资源或执行相关操作。

CVSS 8.8 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-121816

Vulnerability Information
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Vulnerability Title
About Time Technologies｜Herowatch Mini - Missing Authentication
Source: CVE Program / CVE List V5
Vulnerability Description
Herowatch Mini developed by About Time Technologies has a Missing Authentication vulnerability. Unauthenticated remote attackers can connect to the affected device's ADB service and obtain an ADB shell, thereby accessing device resources or performing related operations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
About Time Technologies Herowatch Mini all -

II. Public POCs for CVE-2026-121816

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-121816

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Other References for CVE-2026-121816 (2)

Same Patch Batch · About Time Technologies · 2026-11-04 · 3 CVEs total

CVE-2026-121818 7.8 HIGH About Time Technologies｜Herowatch Go - Security Misconfiguration
CVE-2026-121817 7.5 HIGH About Time Technologies｜Herowatch Go Server - Insecure Direct Object Reference

IV. Related Vulnerabilities

Same vendor: About Time Technologies
Same weakness: CWE-306