Vulnerability Description
A vulnerability in the Ruijie RG-ES series switch firmware ESW_1.0(1)B1P39 enables remote attackers to fully bypass authentication mechanisms, providing them with unrestricted access to alter administrative settings and potentially seize control of affected devices via crafted HTTP POST request to /user.cgi.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ruijie | Rg-Es228Gs-P Firmware | esw_1.0\(1\)b1p27 |
| Ruijie | Rg-Es228Gs-P | - |
| Ruijie | Rg-Es209Gc-P Firmware | esw_1.0\(1\)b1p27 |
| Ruijie | Rg-Es209Gc-P | - |
| Ruijie | Rg-Es205Gc-P Firmware | esw_1.0\(1\)b1p27 |
| Ruijie | Rg-Es205Gc-P | - |
| Ruijie | Rg-Es205Gc Firmware | esw_1.0\(1\)b1p27 |
| Ruijie | Rg-Es205Gc | - |
| Ruijie | Rg-Es208Gc Firmware | esw_1.0\(1\)b1p27 |
| Ruijie | Rg-Es208Gc | - |
| Ruijie | Rg-Es206Gs-P Firmware | esw_1.0\(1\)b1p27 |
| Ruijie | Rg-Es206Gs-P | - |
| Ruijie | Rg-Es210Gs-P Firmware | esw_1.0\(1\)b1p27 |
| Ruijie | Rg-Es210Gs-P | - |
| Ruijie | Rg-Es218Gc-P Firmware | esw_1.0\(1\)b1p27 |
| Ruijie | Rg-Es218Gc-P | - |
| Ruijie | Rg-Es226Gc-P Firmware | esw_1.0\(1\)b1p27 |
| Ruijie | Rg-Es226Gc-P | - |
| Ruijie | Rg-Es206Gc-P Firmware | esw_1.0\(1\)b1p27 |
| Ruijie | Rg-Es206Gc-P | - |
Related Weaknesses (CWE)
References
- https://github.com/TNCX-byte/Vulnerability_Research/blob/main/CVE-2025-56752/REAThird Party Advisory
FAQ
What is CVE-2025-56752?
CVE-2025-56752 is a vulnerability with a CVSS score of 9.4 (CRITICAL). A vulnerability in the Ruijie RG-ES series switch firmware ESW_1.0(1)B1P39 enables remote attackers to fully bypass authentication mechanisms, providing them with unrestricted access to alter administ...
How severe is CVE-2025-56752?
CVE-2025-56752 has been rated CRITICAL with a CVSS base score of 9.4/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-56752?
Check the references section above for vendor advisories and patch information. Affected products include: Ruijie Rg-Es228Gs-P Firmware, Ruijie Rg-Es228Gs-P, Ruijie Rg-Es209Gc-P Firmware, Ruijie Rg-Es209Gc-P, Ruijie Rg-Es205Gc-P Firmware.