CVE-2020-5634
ELECOM LAN routers (WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware versions...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent 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
NVD Score used
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.
- Record
CVE-2020-5634- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 8.3 High
AV:A/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-5634- Updated
- 2026-11-02
EUVDEUVD-2020-26795 No score
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.
- Record
EUVD-2020-26795- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jpxf-7694-4wcf No score
ELECOM LAN routers (WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware versions...
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.
- Record
GHSA-jpxf-7694-4wcf- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5634 is a high vulnerability (CVSS 8.8) in Elecom Wrc-1167gst2 Firmware, published October 6, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. No source names a fixed version.