CVE-2025-29660

critical · 9.8

A vulnerability exists in the daemon process of the Yi IOT XY-3820 v6.0.24.10, which exposes a TCP service on port 6789. This service lacks proper input validation, allowing attackers to execute arbitrary scripts present on the device by sending specially crafted TCP requests using directory traversal techniques.

9.8

CVSS

1.2%

EPSS (exploit prob.)

68th

EPSS percentile

2025-04-21

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-22

Affected products

Vendor	Product	Affected versions
yiiot	xy-3820_firmware	6.0.24.10
yiiot	xy-3820	all versions

Check a specific version with /api/v1/cve/match.

References

https://github.com/Yasha-ops/RCE-YiIOT
https://github.com/Yasha-ops/vulnerability-research/tree/master/CVE-2025-29660

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-29660