CVE-2025-56752
Critical
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.
SeverityCritical
CVSS9.4
Exploit probability—
ProductRuijie Rg-es228gs-p Firmware
PublishedSep 3, 2025
First seenSep 3, 2025
Weakness typeCWE-287Improper authentication
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ruijie rg-es228gs-p_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-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-es208gc_firmware | esw_1.0\(1\)b1p27, esw_1.0\(1\)b1p35, esw_1.0\(1\)b1p39 | — |
| ruijie rg-es206gs-p_firmware | esw_1.0\(1\)b1p27, esw_1.0\(1\)b1p35, esw_1.0\(1\)b1p39 | — |
| ruijie rg-es210gs-p_firmware | esw_1.0\(1\)b1p27, esw_1.0\(1\)b1p35, esw_1.0\(1\)b1p39 | — |
| ruijie rg-es218gc-p_firmware | esw_1.0\(1\)b1p27, esw_1.0\(1\)b1p35 | — |
| ruijie rg-es226gc-p_firmware | esw_1.0\(1\)b1p27, esw_1.0\(1\)b1p35 | — |
| ruijie rg-es206gc-p_firmware | esw_1.0\(1\)b1p27, esw_1.0\(1\)b1p35 | — |
| ruijie rg-es216gc_firmware | esw_1.0\(1\)b1p27 | — |
| ruijie rg-es224gc_firmware | esw_1.0\(1\)b1p27 | — |
| ruijie rg-es210gc-lp_firmware | esw_1.0\(1\)b1p27 | — |
| ruijie rg-es206mg-p_firmware | esw_1.0\(1\)b1p42_release\(12142711\) | — |
| ruijie rg-es209mg-p_firmware | esw_1.0\(1\)b1p42_release\(12142711\) | — |
| ruijie rg-nis2100-8gt2sfp-hp_firmware | esw_1.0\(1\)b1p39 | — |
| ruijie rg-nis2100-4gt2sfp-hp_firmware | 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-es224gc-v2_firmware | esw_1.0\(1\)b1p27, esw_1.0\(1\)b1p35, esw_1.0\(1\)b1p39 | — |
| ruijie rg-es220gs-p_firmware | esw_1.0\(1\)b1p27, esw_1.0\(1\)b1p35, esw_1.0\(1\)b1p39 | — |
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