Unauthorized watch enrollment via predictable registration identifiers
Published Jun 25, 2026 · Updated Jun 25, 2026
Predictable identifiers in SeTracker2 3.1.5 and earlier allow remote attackers to enroll another user's watch without authentication. The app derives each registration ID from the watch's IMEI, and the enrollment service accepts that ID without an additional ownership or authentication check. An attacker must first obtain or predict the registration ID; successful enrollment exposes watch data and permits manipulation of functions available to the assigned account.
Summary
What happened
Predictable identifiers in SeTracker2 3.1.5 and earlier allow remote attackers to enroll another user's watch without authentication. The app derives each registration ID from the watch's IMEI, and the enrollment service accepts that ID without an additional ownership or authentication check. An attacker must first obtain or predict the registration ID; successful enrollment exposes watch data and permits manipulation of functions available to the assigned account.
The record
- CVE
- CVE-2026-9219
- Published
- Jun 25, 2026
- Updated
- Jun 25, 2026
- Vendor
- Shenzhen i365-Tech Co., Ltd.
- Product
- SeTracker2
- Classifications
- CWE-340
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 25, 2026CVE publishedPublication date reported by the CVE source.
- Jun 25, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=0 <=3.1.5
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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