CVE-2020-36870

Nov. 7, 2025, 10:15 p.m.

9.2
Critical

Description

Various Ruijie Gateway EG and NBR models firmware versions 11.1(6)B9P1 < 11.9(4)B12P1 contain a code execution vulnerability in the EWEB management system that can be abused via front-end functionality. Attackers can exploit front-end code when features such as guest authentication, local server authentication, or screen mirroring are enabled to gain access or execute commands on affected devices. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-06-07 UTC.

Product(s) Impacted

Vendor Product Versions
Ruijie
  • Ruijie Gateway
  • 11.1(6)B9P1-11.9(4)B12P1, *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-94
Improper Control of Generation of Code ('Code Injection')
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a ruijie ruijie_gateway 11.1(6)B9P1-11.9(4)B12P1 / / / / / / /
a ruijie ruijie_gateway / / / / / / / /

References

https://www.cnvd.org.cn/flaw/show/CNVD-2021-09650
https://www.ruijie.com.cn/gy/xw-aqtg-gw/86747/
https://www.ruijie.com.cn/gy/xw-aqtg-zw/85638/
https://www.vulncheck.com/advisories/ruijie-networks-eg-and-nbr-series-routers-rce

Tags

CWE-94
disclosure@vulncheck.com
2025-11-07
CVE-2020-36870

CVSS Score

9.2 / 10

CVSS Data - 4.0

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Attack Requirements: PRESENT
  • Privileges Required: NONE
  • User Interaction: NONE
  • Scope:
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
  • Exploit Maturity: NOT_DEFINED

    • CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

    View Vector String

Timeline

Published: Nov. 7, 2025, 10:15 p.m.
Last Modified: Nov. 7, 2025, 10:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

disclosure@vulncheck.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.