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CVE-2025-3983— AMTT Hotel Broadband Operation System nlog_down.php command injection

Quick assessment

Affected
AMTT Hotel Broadband Operation System
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AMTT Hotel Broadband Operation System是中国安美世纪（AMTT）公司的一个酒店宽带运营系统。 AMTT Hotel Broadband Operation System 1.0版本存在注入漏洞，该漏洞源于文件/manager/system/nlog_down.php中参数ProtocolType导致命令注入。

CVSS 4.7 · Medium EPSS 14.82% · P97

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-3983

Vulnerability Information
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Vulnerability Title
AMTT Hotel Broadband Operation System nlog_down.php command injection
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
AMTT Hotel Broadband Operation System 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMTT Hotel Broadband Operation System是中国安美世纪（AMTT）公司的一个酒店宽带运营系统。 AMTT Hotel Broadband Operation System 1.0版本存在注入漏洞，该漏洞源于文件/manager/system/nlog_down.php中参数ProtocolType导致命令注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
AMTT Hotel Broadband Operation System 1.0 -

II. Public POCs for CVE-2025-3983

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III. Intelligence Information for CVE-2025-3983

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Vendor Advisories for CVE-2025-3983 (2)

Other References for CVE-2025-3983 (1)

IV. Related Vulnerabilities

Same product: Hotel Broadband Operation System
Same vendor: AMTT
Same weakness: CWE-77

V. Comments for CVE-2025-3983

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