CVE-2026-121816

About Time Technologies|Herowatch Mini - Missing Authentication

Published Nov 4, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

The product is no longer maintained. Users are advised to replace it with a supported device.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared About Time Technologies
About Time Technologies herowatch Mini
Vendors & Products About Time Technologies
About Time Technologies herowatch Mini
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title About Time Technologies|Herowatch Mini - Missing Authentication
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
twcert
Published
Updated
Nov 4, 2026, 8:00 PM
Reserved
Nov 4, 2026, 5:40 AM
Status
Deferred
Published
Nov 4, 2026, 7:17 AM
Modified
Nov 4, 2026, 8:19 PM