[ CVE-2026-121818 · Published 4 Nov 2026 ]
Vulnerability in About Time Technologies Herowatch Go
CVSS 7.8
EPSS <1%No fix listed yet
[ Description ]Official description
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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.