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  4. CVE 2026 121816 about time technologiesherowatch mini missing
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Back to active CVEs
High · CVSS 8.7CVE-2026-121816

About Time Technologies｜Herowatch Mini - Missing AuthenticationCVE-2026-121816

Answer in brief

CVE-2026-121816 records a High severity (CVSS 8.7) vulnerability in About Time Technologies｜Herowatch Mini - Missing Authentication. The current sources do not mark it as known exploited. The current feed maps About Time Technologies/Herowatch Mini (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 4, 2026Updated Nov 4, 2026Source checked Nov 4, 2026First seen by HOL Nov 4, 2026Material review Nov 4, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps About Time Technologies/Herowatch Mini (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
About Time Technologies/Herowatch Minigeneric>=0 <**

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for About Time Technologies/Herowatch Mini.
  2. 2Review the reported fix. Source-reported solution: The product is no longer maintained. Users are advised to replace it with a supported device.

Evidence timeline and material changes

  1. Published upstream

    Nov 4, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 4, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 4, 2026

Sources and claim methodology

  • Source referencetwcert.org.tw
  • Source referencetwcert.org.tw
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-306
Source
CVE List V5
Source checked
Nov 4, 2026
References
2 linked sources
Open source record