What is CVE-2025-36753?

CVE-2025-36753 is a critical-severity vulnerability in Growatt Shine Lan-X, classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2025-12-13.

How severe is CVE-2025-36753?

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

Vulnerability in Growatt Shine Lan-X

CVE-2025-36753

The SWD debug interface on the Growatt ShineLan-X communication dongle is available by default, allowing an attacker to attain debug access to the device and to extracting secrets or domains from within the device

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-290 — Authentication Bypass by Spoofing

References

csirt.divd.nl/CVE-2025-36753/ (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2025-36753?: CVE-2025-36753 is a critical-severity vulnerability in Growatt Shine Lan-X, classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2025-12-13.
How severe is CVE-2025-36753?: Critical severity. CVSS v3 base score is 9.8 out of 10.