PT-2026-136883

CVE-2026-121818

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Published

2026-11-04

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Updated

2026-11-04

Description by

CVSS 3.1
7.8
High
MetricsAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Exploitability
Fix
Vendors
Affected products
Weakness enumeration
CWE-1394: Use of Default Cryptographic Key
Related identifiers
CVE-2026-121818
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