ELECOM LAN routers (WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware…
Priority LOW 39Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
ELECOM LAN routers (WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware versions prior to v1.14, WRC-1750GST2 firmware versions prior to v1.14, and WRC-1167GST2 firmware versions prior to v1.10) allow an attacker on the same network segment to execute arbitrary OS commands with a root privilege via unspecified vectors.
Why it matters now
EPSS 0.00614 49th 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 |
|---|---|---|---|---|---|
| ELECOM CO.,LTD. | ELECOM LAN routers | WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware versions prior to v1.14, WRC-1750GST2 firmware versions prior to v1.14, and WRC-1167GST2 firmware versions prior to v1.10 | — | No fix listed | CNA |
- ELECOM LAN routers VendorELECOM CO.,LTD. Affected WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware versions prior to v1.14, WRC-1750GST2 firmware versions prior to v1.14, and WRC-1167GST2 firmware versions prior to v1.10 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:elecom:wrc-2533gst2_firmware:*:*:*:*:*:*:*:* | before 1.14 | Vulnerable | ELECOM CO.,LTD. |
| cpe:2.3:h:elecom:wrc-2533gst2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ELECOM CO.,LTD. |
| cpe:2.3:o:elecom:wrc-1900gst2_firmware:*:*:*:*:*:*:*:* | before 1.14 | Vulnerable | ELECOM CO.,LTD. |
| cpe:2.3:h:elecom:wrc-1900gst2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ELECOM CO.,LTD. |
| cpe:2.3:o:elecom:wrc-1750gst2_firmware:*:*:*:*:*:*:*:* | before 1.14 | Vulnerable | ELECOM CO.,LTD. |
| cpe:2.3:h:elecom:wrc-1750gst2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ELECOM CO.,LTD. |
| cpe:2.3:o:elecom:wrc-1167gst2_firmware:*:*:*:*:*:*:*:* | before 1.10 | Vulnerable | ELECOM CO.,LTD. |
| cpe:2.3:h:elecom:wrc-1167gst2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ELECOM CO.,LTD. |
- cpe:2.3:o:elecom:wrc-2533gst2_firmware:*:*:*:*:*:*:*:* Versions before 1.14 Vulnerable ·ELECOM CO.,LTD.
- cpe:2.3:h:elecom:wrc-2533gst2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ELECOM CO.,LTD.
- cpe:2.3:o:elecom:wrc-1900gst2_firmware:*:*:*:*:*:*:*:* Versions before 1.14 Vulnerable ·ELECOM CO.,LTD.
- cpe:2.3:h:elecom:wrc-1900gst2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ELECOM CO.,LTD.
- cpe:2.3:o:elecom:wrc-1750gst2_firmware:*:*:*:*:*:*:*:* Versions before 1.14 Vulnerable ·ELECOM CO.,LTD.
- cpe:2.3:h:elecom:wrc-1750gst2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ELECOM CO.,LTD.
- cpe:2.3:o:elecom:wrc-1167gst2_firmware:*:*:*:*:*:*:*:* Versions before 1.10 Vulnerable ·ELECOM CO.,LTD.
- cpe:2.3:h:elecom:wrc-1167gst2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ELECOM CO.,LTD.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5634
- 2026-10-03 Alias added: GHSA-jpxf-7694-4wcf
References
More ELECOM CO.,LTD. Wrc-1167gst2 Firmware vulnerabilities
- TI-2024-15898 Cross-site request forgery in ELECOM CO.,LTD. WRC-1167GS2-B CVSS 3.1HIGH 8.8
- TI-2021-04078 Improper access control vulnerability in ELECOM routers (WRC-1167GST2 firmware v1.25 and… CVSS 3.1HIGH 8.8
- TI-2021-04074 Cross-site request forgery in ELECOM LAN routers CVSS 3.1HIGH 8.8
- TI-2022-09466 Improper access control vulnerability in ELECOM LAN routers (WRC-1167GST2 firmware v1.25… CVSS 3.1HIGH 8.8
- TI-2021-04075 Improper access control vulnerability in ELECOM LAN routers (WRC-1167GST2 firmware v1.25… CVSS 3.1HIGH 8.8
- TI-2021-04077 OS command injection in ELECOM routers CVSS 3.1HIGH 8.0
Sources
- CVE-2020-5634 · CVE Program
- CVE-2020-5634 · NVD
- FIRST EPSS
- GHSA-jpxf-7694-4wcf · GitHub Advisory Database · CC BY 4.0
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