How severe is CVE-2025-36747?

CVE-2025-36747 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-36747 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-36747?

CVE-2025-36747 affects Growatt Shine Lan-x Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-36747?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-36747 have an EU (EUVD) identifier?

Yes. CVE-2025-36747 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203250.

When was CVE-2025-36747 published?

CVE-2025-36747 was published on 2025-12-13 and last updated on 2026-06-17.

CVE-2025-36747

CVE-2025-36747 is a critical-severity vulnerability in Growatt Shine Lan-x Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.4
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203250
Weakness: CWE-798
Affected product: Growatt Shine Lan-x Firmware
Published: 2025-12-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-36747?: CVE-2025-36747 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-36747 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-36747?: CVE-2025-36747 affects Growatt Shine Lan-x Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-36747?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-36747 have an EU (EUVD) identifier?: Yes. CVE-2025-36747 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203250.
When was CVE-2025-36747 published?: CVE-2025-36747 was published on 2025-12-13 and last updated on 2026-06-17.

References

https://csirt.divd.nl/CVE-2025-36747/

Affected products (1)

cpe:2.3:o:growatt:shine_lan-x_firmware:*:*:*:*:*:*:*:*

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