Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2025-56127 is a high-severity OS Command Injection (CWE-78) vulnerability in Ruijie Rg-Bcr600W 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 13% 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-2025-56127 is an OS Command Injection vulnerability (CWE-78) affecting the Ruijie RG-BCR RG-BCR600W device. The flaw resides in the get_wanobj function within the file /usr/lib/lua/luci/controller/admin/common.lua, where attackers can inject and execute arbitrary operating system commands through a specially crafted POST request. The vulnerability carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating high severity due to its potential for significant confidentiality, integrity, and availability impacts.
Attackers with low privileges, such as authenticated users with network access to the device, can exploit this vulnerability remotely with low complexity and no user interaction required. Successful exploitation allows execution of arbitrary commands on the underlying operating system, potentially leading to full device compromise, including data exfiltration, modification of configurations, or further lateral movement within the network.
Mitigation details, including patches and remediation steps, are outlined in vendor advisories and independent reports available at the following references: https://1drv.ms/f/c/12406a392c92914b/Evvem8Mw6SlNh-ZJpY_9SAsBq2iDi88TFdFdA1Am3PdfCQ?e=YeLYxb, https://1drv.ms/t/c/12406a392c92914b/EQkKqI8NW45AgBgScwGNiPABEK0YLvNQFgNtqLaWAhCPVw?e=cLDW5t, and https://github.com/flegoity/Ruijie-Multiple-Devices-Vulnerability-Reports-for-CVE/blob/main/CVE-2025-56127.md. Security practitioners should review these for device-specific updates and apply them promptly.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-202889
Vulnerability Data
OS Command Injection vulnerability in Ruijie RG-BCR RG-BCR600W allowing attackers to execute arbitrary commands via a crafted POST request to the get_wanobj in file /usr/lib/lua/luci/controller/admin/common.lua.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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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.