Sensitive-data access via undisclosed input validation flaw
Published Aug 10, 2026 · Updated Aug 10, 2026
Improper input validation in Samsung Smart Switch before 3.7.72.6 allows adjacent attackers to access sensitive data. Samsung has not disclosed the affected input, code locus, or validation error beyond stating that the patch adds proper input validation. Exploitation requires an adjacent position and active user interaction; the published impact is limited to sensitive-data disclosure from the Android app.
Summary
What happened
Improper input validation in Samsung Smart Switch before 3.7.72.6 allows adjacent attackers to access sensitive data. Samsung has not disclosed the affected input, code locus, or validation error beyond stating that the patch adds proper input validation. Exploitation requires an adjacent position and active user interaction; the published impact is limited to sensitive-data disclosure from the Android app.
The record
- CVE
- CVE-2026-21083
- Published
- Aug 10, 2026
- Updated
- Aug 10, 2026
- Vendor
- Samsung Electronics Co., Ltd.
- Product
- Samsung Smart Switch
- Classifications
- CWE-20
- Attack vector
- adjacent
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 10, 2026CVE publishedPublication date reported by the CVE source.
- Aug 10, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
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
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo