Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2023-34644 is a critical-severity Code Injection (CWE-94) vulnerability in Ruijie Rg-Ew1200R Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique Command and Scripting Interpreter (T1059); ranked in the top 23% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
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-2023-34644 is a remote code execution vulnerability affecting multiple Ruijie Networks products running specific firmware versions, including RG-EW series home routers and repeaters (EW_3.0(1)B11P204), RG-NBS and RG-S1930 series switches (SWITCH_3.0(1)B11P218), RG-EG series business VPN routers (EG_3.0(1)B11P216), EAP and RAP series wireless access points (AP_3.0(1)B11P218), and NBC series wireless controllers (AC_3.0(1)B11P86). The flaw, classified under CWE-94, permits unauthorized code injection through a crafted POST request to the /cgi-bin/luci/api/auth endpoint and carries a CVSS 3.1 score of 9.8.
Unauthenticated remote attackers can exploit the vulnerability over the network without any user interaction or credentials to obtain the highest privileges on the affected devices, enabling full control of the target system.
Vendor security bulletins addressing the issue are published by Ruijie Networks at https://www.ruijie.com.cn/gy/xw-aqtg-gw/91389/ and https://www.ruijienetworks.com/support/securityBulletins/cybersecurity_bulletins/10001. The EPSS score for this CVE has remained flat at a peak of 0.1109 with no material increase observed after disclosure.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-38688
Vulnerability Data
Remote code execution vulnerability in Ruijie Networks Product: RG-EW series home routers and repeaters EW_3.0(1)B11P204, RG-NBS and RG-S1930 series switches SWITCH_3.0(1)B11P218, RG-EG series business VPN routers EG_3.0(1)B11P216, EAP and RAP series wireless access points AP_3.0(1)B11P218, NBC series wireless controllers AC_3.0(1)B11P86…
more
allows unauthorized remote attackers to gain the highest privileges via crafted POST request to /cgi-bin/luci/api/auth.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V1.3.1
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Makes persistent code injection into loaded programs impossible when the executable image itself resides on hardware-protected read-only media.
Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.
Validates inputs used in dynamic code generation to block injected directives.
Directly prevents execution of attacker-supplied code written into data memory regions.
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 target injection flaws via secure coding and testing (mostly), yet as a single broad outcome it leaves many code-generation specifics unaddressed (partial).
PR.DS-10 protects runtime data confidentiality/integrity but has no bearing on neutralizing externally influenced input during code generation, so neither direction shows any preventive effect.
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.
Banning unapproved code samples and unauthenticated web services, combined with secure-coding standards and SAST, prevents the dynamic generation or inclusion of attacker-supplied code.
Controls that restrict unauthorized or malicious code from being introduced via external networks or removable media limit opportunities for an attacker to inject and execute arbitrary code.