A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series…
Priority MEDIUM 42CWE-77Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-77.
Summary
A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55 via the runPackDiagnose function in /cgi-bin/luci/api/diagnose.
Why it matters now
EPSS 0.01771 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:ruijienetworks:reyeeos:*:*:*:*:*:*:*:* | up to 1.55.1915_ew_3.0\(1\)b11p55 | Vulnerable | Ruijie Networks Co., Ltd. |
| cpe:2.3:h:ruijienetworks:rg-ew1200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ruijie Networks Co., Ltd. |
| cpe:2.3:h:ruijienetworks:rg-ew1200g_pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ruijie Networks Co., Ltd. |
| cpe:2.3:h:ruijienetworks:rg-ew1800gx_pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ruijie Networks Co., Ltd. |
| cpe:2.3:h:ruijienetworks:rg-ew300_pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ruijie Networks Co., Ltd. |
| cpe:2.3:h:ruijienetworks:rg-ew3200gx_pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ruijie Networks Co., Ltd. |
- cpe:2.3:o:ruijienetworks:reyeeos:*:*:*:*:*:*:*:* Versions up to 1.55.1915_ew_3.0\(1\)b11p55 Vulnerable ·Ruijie Networks Co., Ltd.
- cpe:2.3:h:ruijienetworks:rg-ew1200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ruijie Networks Co., Ltd.
- cpe:2.3:h:ruijienetworks:rg-ew1200g_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ruijie Networks Co., Ltd.
- cpe:2.3:h:ruijienetworks:rg-ew1800gx_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ruijie Networks Co., Ltd.
- cpe:2.3:h:ruijienetworks:rg-ew300_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ruijie Networks Co., Ltd.
- cpe:2.3:h:ruijienetworks:rg-ew3200gx_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ruijie Networks Co., Ltd.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-43162
- 2026-10-03 Alias added: GHSA-4hvq-rh66-phrx
References
More Ruijie Networks Co., Ltd. Reyeeos vulnerabilities
- TI-2021-19184 A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series… CVSS 3.1HIGH 8.8
- TI-2021-19183 A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series… CVSS 3.1CRITICAL 9.8
- TI-2021-19181 A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series… CVSS 3.1HIGH 8.8
- TI-2021-19180 A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series… CVSS 3.1HIGH 8.8
- TI-2021-19179 A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series… CVSS 3.1HIGH 8.8
Sources
- CVE-2021-43162 · CVE Program
- CVE-2021-43162 · NVD
- FIRST EPSS
- GHSA-4hvq-rh66-phrx · GitHub Advisory Database · CC BY 4.0
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