CVE-2025-36747
Hardcoded FTP Credentials within the firmware
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Hardcoded FTP Credentials within the firmware
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.
- Record
CVE-2025-36747- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H - Weakness
- CWE-798
- Updated
- 2026-11-02
EUVDEUVD-2025-203250
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.
- Record
EUVD-2025-203250- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9cjx-g4w7-q3g9
ShineLan-X contains a set of credentials for an FTP server was found within the firmware,...
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.
- Record
GHSA-9cjx-g4w7-q3g9- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-798
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-36747- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-798
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-36747 is a critical vulnerability (CVSS 9.4) in Growatt Shinelan-x, published December 13, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. No source names a fixed version.