CVE-2025-56085
RCE in Ruijie Rg-Ew1200 Firmware 3.0\(1\)b11p227
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2025-56085 is a high-severity OS Command Injection (CWE-78) vulnerability in Ruijie Rg-Ew1200 Firmware. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Command and Scripting Interpreter (T1059); ranked in the top 14% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SI-10 (Information Input Validation) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2025-56085 is an OS command injection vulnerability (CWE-78) affecting the Ruijie RG-EW1200 device running firmware EW_3.0(1)B11P227_EW1200_11130208RG-EW1200 V1.00. The flaw resides in the module_set function within the file /usr/local/lua/dev_config/config_retain.lua, where a crafted POST request can inject and execute arbitrary operating system commands. Published on 2025-12-11, it carries a CVSS v3.1 base score of 8.8 (high severity), reflecting network accessibility, low attack complexity, and significant impacts on confidentiality, integrity, and availability.
Attackers with low privileges (PR:L) can exploit this vulnerability over the network without user interaction. By sending a specially crafted POST request to the vulnerable module_set endpoint, they can execute arbitrary OS commands on the device, potentially achieving full remote code execution, data exfiltration, system modification, or denial of service.
Mitigation details, including patches and advisories, are available in the following references: https://1drv.ms/f/c/12406a392c92914b/EuESCSUsYvtAtfW1SfmGGxsBw-kN9iCbpnUU9T8TXofH3w?e=kp5OXK, https://1drv.ms/t/c/12406a392c92914b/ERuoK3MLW2RLpQ6qOoGs5wIB73tNnsDzRT8U6U6z4VmskQ?e=KIjaOa, and https://github.com/flegoity/Ruijie-Multiple-Devices-Vulnerability-Reports-for-CVE/blob/main/CVE-2025-56085.md. Security practitioners should consult these for vendor-recommended updates and workarounds.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-202746
Vulnerability Data
OS Command Injection vulnerability in Ruijie RG-EW1200 EW_3.0(1)B11P227_EW1200_11130208RG-EW1200 V1.00 allowing attackers to execute arbitrary commands via a crafted POST request to the module_set in file /usr/local/lua/dev_config/config_retain.lua.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V1.2.5V1.2.8V15.2.5
Mitigating Controls (NIST 800-53 r5) AI
Developer testing and evaluation can discover missing or incorrect command sanitization during development.
Input validation directly neutralizes or rejects special characters that would otherwise alter OS command structure.
Least privilege reduces the permissions available to any process that could be subverted by injected commands.
Least functionality restricts available OS commands and interpreters, limiting the blast radius of injection.
Secure engineering principles require proper neutralization of untrusted input before command construction.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
PR.PS-06's SDLC practices directly require secure coding and input handling that blocks command-injection defects, yet the single broad outcome leaves many specific neutralization vectors and verification gaps unaddressed.
Routine patching/maintenance can remediate known command-injection CVEs in dependencies (partial forward) but does nothing to stop developers from introducing improper neutralization in custom code (none reverse).
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing and code review target insecure use of operating-system command interfaces, catching command-injection flaws introduced during development.