TI-2020-07551 Aliases CVE-2020-9438 GHSA-r8j8-hmfc-5qh8

Tinxy Door Lock with firmware before 3.2 allow attackers to unlock a door by replaying an…

LOW 28CWE-294Published 2020-06-23 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-294.

Summary

Tinxy Door Lock with firmware before 3.2 allow attackers to unlock a door by replaying an Unlock request that occurred when the attacker was previously authorized. In other words, door-access revocation is mishandled.

Why it matters now

EPSS 0.00666 52nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:tinxy:smart_wifi_door_lock_firmware::::::::	before 3.2	Vulnerable	Tinxy
cpe:2.3:h:tinxy:smart_wifi_door_lock:-:::::::*	not specified by NVD	Running on	Tinxy

cpe:2.3:o:tinxy:smart_wifi_door_lock_firmware:*:*:*:*:*:*:*:* Versions before 3.2 Vulnerable ·Tinxy
cpe:2.3:h:tinxy:smart_wifi_door_lock:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tinxy

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-9438
2026-10-03 Alias added: GHSA-r8j8-hmfc-5qh8

References

Other 1

https://medium.com/%40avishek_75733/smart-products-are-always-not-that-smart-tinxy-smart-door-lock-vulnerability-97f91e435e06

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences