CVE-2025-29660

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 v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
yiiot	xy-3820_firmware	All
yiiot	xy-3820	All

References

Advisories & Patches

https://github.com/Yasha-ops/RCE-YiIOT

Exploits

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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-29660? +

CVE-2025-29660 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-29660? +

CVE-2025-29660 affects products from yiiot, specifically: xy-3820, xy-3820_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-29660? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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