CVE-2025-56752

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. It has a CVSS v3.1 base score of 9.4 (CRITICAL).

CVE-2025-56752 has a CVSS v3.1 score of 9.4 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

CVE-2025-56752 affects products from ruijie, specifically: rg-es205gc, rg-es205gc-p, rg-es205gc-p_firmware, rg-es205gc_firmware, rg-es206gc-p, rg-es206gc-p_firmware, rg-es206gs-p, rg-es206gs-p_firmware, rg-es206mg-p, rg-es206mg-p_firmware, rg-es208gc, rg-es208gc_firmware, rg-es209gc-p, rg-es209gc-p_firmware, rg-es209mg-p, rg-es209mg-p_firmware, rg-es210gc-lp, rg-es210gc-lp_firmware, rg-es210gs-p, rg-es210gs-p_firmware, rg-es216gc, rg-es216gc-v2, rg-es216gc-v2_firmware, rg-es216gc_firmware, rg-es218gc-p, rg-es218gc-p_firmware, rg-es220gs-p, rg-es220gs-p_firmware, rg-es224gc, rg-es224gc-v2, rg-es224gc-v2_firmware, rg-es224gc_firmware, rg-es226gc-p, rg-es226gc-p_firmware, rg-es228gs-p, rg-es228gs-p_firmware, rg-nis2100-4gt2sfp-hp, rg-nis2100-4gt2sfp-hp_firmware, rg-nis2100-8gt2sfp-hp, rg-nis2100-8gt2sfp-hp_firmware. Check the affected products table above for specific version ranges.

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.