CVE-2026-21004
Improper authentication in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to...
Improper authentication in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to trigger a denial of service.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
6.9
Improper authentication in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to trigger a denial of service.
- Record
CVE-2026-21004- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
EUVDEUVD-2026-12323
6.9
Improper authentication in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to trigger a denial of service.
- Record
EUVD-2026-12323- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q28g-7mpq-xfp7
6.9
Improper authentication in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to...
Improper authentication in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to trigger a denial of service.
- Record
GHSA-q28g-7mpq-xfp7- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
6.9
Improper authentication in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to trigger a denial of service.
- Record
CVE-2026-21004- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | George0Papasotiriou/CVE-2026-21004-SQLite-FTS3-Match-Infoleak-via-Query-Crafting | 2026-08-04 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21004 is a medium vulnerability (CVSS 6.9) in Samsung Smart Switch, published March 16, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 8th percentile. No source names a fixed version.