CVE-2020-36870
Ruijie Gateway EG & NBR Models v11.1(6)B9P1 - 11.9(4)B12P1 RCE
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Ruijie Gateway EG & NBR Models v11.1(6)B9P1 - 11.9(4)B12P1 RCE
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.
- Record
CVE-2020-36870- CVSS 4.0
- 9.2 Critical
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 - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2020-30818
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.
- Record
EUVD-2020-30818- CVSS 4.0
- 9.2 Critical
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-j892-g9v8-f728
Various Ruijie Gateway EG and NBR models firmware versions 11.1(6)B9P1 < 11.9(4)B12P1 contain a...
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.
- Record
GHSA-j892-g9v8-f728- CVSS 4.0
- 9.2 Critical
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 - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-36870- CVSS 4.0
- 9.2 Critical
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 - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
- beijing star-net ruijie network technology co., ltd. eg3210
- beijing star-net ruijie network technology co., ltd. eg3220
- beijing star-net ruijie network technology co., ltd. eg3230
- beijing star-net ruijie network technology co., ltd. eg3250
- beijing star-net ruijie network technology co., ltd. nbr1000g-c
- beijing star-net ruijie network technology co., ltd. nbr1000g-e
- beijing star-net ruijie network technology co., ltd. nbr108g-p
- beijing star-net ruijie network technology co., ltd. nbr1300g-e
- beijing star-net ruijie network technology co., ltd. nbr1700g-e
- beijing star-net ruijie network technology co., ltd. nbr2000g-c
- beijing star-net ruijie network technology co., ltd. nbr2100g-e
- beijing star-net ruijie network technology co., ltd. nbr2500d-e
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- beijing star-net ruijie network technology co., ltd. nbr3000d-e
- beijing star-net ruijie network technology co., ltd. nbr3000g-s
- beijing star-net ruijie network technology co., ltd. nbr6120-e
- beijing star-net ruijie network technology co., ltd. nbr6135-e
- beijing star-net ruijie network technology co., ltd. nbr6205-e
- beijing star-net ruijie network technology co., ltd. nbr6210-e
- beijing star-net ruijie network technology co., ltd. nbr6215-e
- beijing star-net ruijie network technology co., ltd. nbr800g
- beijing star-net ruijie network technology co., ltd. nbr950g
- beijing star-net ruijie network technology co., ltd. rg-eg1000c
- beijing star-net ruijie network technology co., ltd. rg-eg2000ce
- beijing star-net ruijie network technology co., ltd. rg-eg2000f
- beijing star-net ruijie network technology co., ltd. rg-eg2000ge
- beijing star-net ruijie network technology co., ltd. rg-eg2000k
- beijing star-net ruijie network technology co., ltd. rg-eg2000l
- beijing star-net ruijie network technology co., ltd. rg-eg2000se
- beijing star-net ruijie network technology co., ltd. rg-eg2000ue
- beijing star-net ruijie network technology co., ltd. rg-eg2000xe
- beijing star-net ruijie network technology co., ltd. rg-eg2100-p
- beijing star-net ruijie network technology co., ltd. rg-eg3000ce
- beijing star-net ruijie network technology co., ltd. rg-eg3000ge
- beijing star-net ruijie network technology co., ltd. rg-eg3000me
- beijing star-net ruijie network technology co., ltd. rg-eg3000se
- beijing star-net ruijie network technology co., ltd. rg-eg3000ue
- beijing star-net ruijie network technology co., ltd. rg-eg3000xe
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-36870 is a critical vulnerability (CVSS 9.2) in Beijing Star-net Ruijie Network Technology Co., Ltd. Eg3210, published November 7, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. No source names a fixed version.