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-es228gs-p firmware; ruijie: rg-es228gs-p; ruijie: rg-es209gc-p firmware; ruijie: rg-es209gc-p; ruijie: rg-es205gc-p firmware; ruijie: rg-es205gc-p; ruijie: rg-es205gc firmware; ruijie: rg-es205gc; ruijie: rg-es208gc firmware; ruijie: rg-es208gc; ruijie: rg-es206gs-p firmware; ruijie: rg-es206gs-p; ruijie: rg-es210gs-p firmware; ruijie: rg-es210gs-p; ruijie: rg-es218gc-p firmware
References1
- github.com/TNCX-byte/Vulnerability_Research/blob/main/CVE-2025-… Third Party Advisory
Metrics
- CVSS 3.1
-
9.4
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H - EPSS — exploit probability
- 1% percentile: 45 · as of 8 November 2026
- CWE
- CWE-287
Could this be exploited in your environment?
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