Backdoor Access in Growatt ShineLan-X Communication Dongle
CVE-2025-36752

9.4CRITICAL

Key Information:

Vendor

Growatt

Status
Shinelan-x
Vendor
CVE Published:
13 December 2025

What is CVE-2025-36752?

The Growatt ShineLan-X communication dongle contains a hidden backup account with undocumented credentials, granting significant access to its settings. This flaw allows unauthorized users to exploit the device as a backdoor, compromising security for all connected systems. The undocumented nature of the account poses a serious risk, highlighting the need for robust authentication measures in products utilizing this firmware.

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Deploy the Patch

Affected Version(s)

ShineLan-X 3.6.0.0 <= 3.6.0.2

References

https://csirt.divd.nl/CVE-2025-36752/
third-party-advisory

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alexandros Tokatlis
Victor Pasman
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