CVE-2025-29660 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Yiiot	Xy-3820 Firmware	6.0.24.10
Yiiot	Xy-3820	-

Related Weaknesses (CWE)

CWE-22

References

https://github.com/Yasha-ops/RCE-YiIOTExploitVendor Advisory
https://github.com/Yasha-ops/vulnerability-research/tree/master/CVE-2025-29660ExploitThird Party Advisory

FAQ

What is CVE-2025-29660?

CVE-2025-29660 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 arbit...

How severe is CVE-2025-29660?

CVE-2025-29660 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-29660?

Check the references section above for vendor advisories and patch information. Affected products include: Yiiot Xy-3820 Firmware, Yiiot Xy-3820.