What is CVE-2025-36747?

CVE-2025-36747 is a critical-severity vulnerability in Growatt Shine Lan-X, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2025-12-13.

How severe is CVE-2025-36747?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Growatt Shine Lan-X

CVE-2025-36747

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.

Published 2025-12-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (22.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

csirt.divd.nl/CVE-2025-36747/ (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2025-36747?: CVE-2025-36747 is a critical-severity vulnerability in Growatt Shine Lan-X, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2025-12-13.
How severe is CVE-2025-36747?: Critical severity. CVSS v3 base score is 9.8 out of 10.