What’s Vulnerable › Vulnerabilities

CVE-2025-56752

• Severity: critical (CVSS 9.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-03 · updated 2026-06-17
• Weakness: CWE-287

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.

Affected products

• Ruijie Rg-Es205Gc-P Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35, esw_1.0(1)b1p39
• Ruijie Rg-Es205Gc Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35, esw_1.0(1)b1p39
• Ruijie Rg-Es206Gc-P Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35
• Ruijie Rg-Es206Gs-P Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35, esw_1.0(1)b1p39
• Ruijie Rg-Es206Mg-P Firmware: esw_1.0(1)b1p42_release(12142711)
• Ruijie Rg-Es208Gc Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35, esw_1.0(1)b1p39
• Ruijie Rg-Es209Gc-P Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35, esw_1.0(1)b1p39
• Ruijie Rg-Es209Mg-P Firmware: esw_1.0(1)b1p42_release(12142711)
• Ruijie Rg-Es210Gc-Lp Firmware: esw_1.0(1)b1p27
• Ruijie Rg-Es210Gs-P Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35, esw_1.0(1)b1p39
• Ruijie Rg-Es216Gc-V2 Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35, esw_1.0(1)b1p39
• Ruijie Rg-Es216Gc Firmware: esw_1.0(1)b1p27
• Ruijie Rg-Es218Gc-P Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35
• Ruijie Rg-Es220Gs-P Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35, esw_1.0(1)b1p39
• Ruijie Rg-Es224Gc-V2 Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35, esw_1.0(1)b1p39
• Ruijie Rg-Es224Gc Firmware: esw_1.0(1)b1p27
• Ruijie Rg-Es226Gc-P Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35
• Ruijie Rg-Es228Gs-P Firmware: esw_1.0(1)b1p27, esw_1.0(1)b1p35, esw_1.0(1)b1p39
• Ruijie Rg-Nis2100-4Gt2Sfp-Hp Firmware: esw_1.0(1)b1p39
• Ruijie Rg-Nis2100-8Gt2Sfp-Hp Firmware: esw_1.0(1)b1p39

References

• https://github.com/TNCX-byte/Vulnerability_Research/blob/main/CVE-2025-56752/README.md

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