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

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 17.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-04-27 · updated 2026-06-17
Weakness: CWE-74

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.

Affected products

AMTT HiBOS: 1.0

References

https://github.com/MichaelZhuang521/cve/blob/main/rce.md
https://vuldb.com/?ctiid.306319
https://vuldb.com/?id.306319
https://vuldb.com/?submit.556223

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