CVE-2020-36870

CRITICAL EPSS 48.4%
Published Nov 7, 20257mo ago · Modified Jun 17, 20262w ago
9.2 CVSS 4.0
Critical
Find Similar
Published Nov 7, 2025 7mo ago
Last Modified Jun 17, 2026 2w ago

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 2025-02-05 UTC.

CVSS Details

Base Score
9.2
Exploitability
—
Impact
—
Vector string
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
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
48.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-94 Improper Control of Generation of Code (Code Injection) Injection

References 4

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.