CVE-2025-36747 Hardcoded FTP Credentials within the firmware

Critical 9.4 Published 13 Dec 2025 Updated 16 Dec 2025

Hardcoded FTP credentials in ShineLan-X firmware allow attackers to replace legitimate files with malicious versions due to missing signature verification.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-36747?

CVE-2025-36747 is a critical vulnerability in Growatt ShineLan-X, published on 13 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-798

Which versions are affected by CVE-2025-36747?

It affects 1 product.

Products include Growatt Shine Lan-X Firmware.

How do I fix CVE-2025-36747?

No fix has been published for CVE-2025-36747 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-36747 being exploited?

There is no known exploitation of CVE-2025-36747 in the wild and no public exploit code.

Sources

Also known as GHSA-9cjx-g4w7-q3g9.