What is CVE-2025-29660?

CVE-2025-29660 is a critical-severity vulnerability in Yiiot Xy-3820, classified under Path Traversal. CVSS score: 9.8/10. Published 2025-04-21.

How severe is CVE-2025-29660?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Path Traversal in Yiiot Xy-3820

CVE-2025-29660

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.012 (64.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Yiiot Xy-3820
Yiiot Xy-3820_firmware — versions 6.0.24.10
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (Exploit, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-29660?: CVE-2025-29660 is a critical-severity vulnerability in Yiiot Xy-3820, classified under Path Traversal. CVSS score: 9.8/10. Published 2025-04-21.
How severe is CVE-2025-29660?: Critical severity. CVSS v3 base score is 9.8 out of 10.