CVE-2026-121818
highHerowatch Mini developed by About Time Technologies has a system signing vulnerability.
Herowatch Mini developed by About Time Technologies has a system signing vulnerability. Authenticated local attackers can exploit a publicly available test key to sign malicious programs, allowing them to elevate privileges and execute arbitrary code.
CVSS
7.8
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (twcert@cert.org.tw)
Timeline (UTC)
Published: 2026-11-04 07:17
Modified: 2026-11-04 20:19
NVD status: Deferred
Last synced 5 hours ago
Verified against the source API 2026-11-04 20:37 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://www.twcert.org.tw/en/cp-139-11362-1e829-2.html twcert@cert.org.tw
- https://www.twcert.org.tw/tw/cp-132-11360-ab123-1.html twcert@cert.org.tw
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 20:37 UTC · record ↗