CVE-2025-36747 CRITICAL

CVE-2025-36747: Hardcoded FTP Credentials within the firmware

Vendor Growatt
Product ShineLan-X
Weakness CWE-798 · Hardcoded credentials
Published December 13, 2025
Last update December 16, 2025

CVSS base score

9.4/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

What the vulnerability does

01Description

ShineLan-X contains a set of credentials for an FTP server was found within the firmware, allowing testers to establish an insecure FTP connection with the server. This may allow an attacker to replace legitimate files being deployed to devices with their own malicious versions, since the firmware signature verification is not enforced.

Key dates

02Disclosure timeline

December 13, 2025 CVE published
December 16, 2025 Record updated