CVE-2025-29660

CRITICAL

Yiiot Xy-3820 Firmware - Path Traversal

Title source: rule
STIX 2.1

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.

Scores

CVSS v3 9.8
EPSS 0.0074
EPSS Percentile 73.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-22
Status published
Products (1)
yiiot/xy-3820_firmware 6.0.24.10
Published Apr 21, 2025
Tracked Since Feb 18, 2026