RCE in Amtt Hotel Broadband Operation System

CVE-2025-3983

A vulnerability has been found in AMTT Hotel Broadband Operation System 1.0 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /manager/system/nlog_down.php. The manipulation of the argument ProtocolType leads to command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well. The vendor was contacted early about this disclosure but did not respond in any way.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.148 (96.6th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-3983: held from 0.145 to 0.148.

EPSS over last 30 days · oldest: 0.145 · newest: 0.148 · change: +0.004

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-3983?
CVE-2025-3983 is a medium-severity vulnerability in Amtt Hotel Broadband Operation System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2025-04-27.
How severe is CVE-2025-3983?
Medium severity. CVSS v3 base score is 4.7 out of 10.