CVE-2025-29660

9.8 CRITICAL 1% exploit odds Fix listed Disclosure Device

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 1.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2025-04-21 15:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 09:05 UTC Last updatedMost recent change to the record

Details

Published: 2025-04-21 15:16 UTC
Last modified: 2026-06-17 09:05 UTC
Exploit probability: 1.3% · EPSS, next 30 days
Weakness: CWE-22 · Path traversal
Record status: Analyzed

Affected

Yiiot xy-3820 Firmware 6.0.24.10

Attack profile CVSS 3.1 · 9.8

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Download Square Reddit

Fix and advisories

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

References

NVD record · CVE.org record