Undocumented backup Account and No Password Configuration Capability
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-798.
Summary
Growatt ShineLan-X communication dongle has an undocumented backup account with undocumented credentials which allows significant level access to the device, such as allowing any attacker to access the Setting Center. This means that this is effectively backdoor for all devices utilizing a Growatt ShineLan-X communication dongle.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Growatt | ShineLan-X | 3.6.0.0 – 3.6.0.2 | — | No fix listed | CNA |
- ShineLan-X VendorGrowatt Affected 3.6.0.0 – 3.6.0.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-36752
- 2026-10-03 Alias added: GHSA-pfgg-8369-6x8v
References
Advisory 1
More Growatt Shine Lan-x Firmware vulnerabilities
- TI-2025-24933 Hardcoded FTP Credentials within the firmware CVSS 4.0CRITICAL 9.4
- TI-2025-24938 SWD Interface Open on Growatt ShineLan-X CVSS 4.0HIGH 8.6
- TI-2025-24935 Stored cross site scripting (XSS) vulnerability in Growatt ShineLan-X CVSS 4.0HIGH 8.5
- TI-2025-24934 Stored Cross-Site Scripting (XSS) vulnerability in Growatt ShineLan-X CVSS 4.0HIGH 8.4
Sources
- CVE-2025-36752 · CVE Program
- CVE-2025-36752 · NVD
- FIRST EPSS
- GHSA-pfgg-8369-6x8v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences