Remote Code Execution Vulnerability in ELECOM LAN Routers
CVE-2021-20859

8HIGH

Key Information:

Vendor
Elecom Co.,ltd.
Status
Elecom Lan Routers
Vendor
CVE Published:
1 December 2021

Summary

A vulnerability in multiple ELECOM LAN router models allows an authenticated attacker with network access to execute arbitrary operating system commands through unspecified vectors. The flaw affects various firmware versions, potentially exposing devices to unauthorized control and manipulation. Users are encouraged to apply the latest firmware updates to mitigate the risk associated with this vulnerability.

Affected Version(s)

ELECOM LAN routers WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior

References

https://www.elecom.co.jp/news/security/20211130-01/
x_refsource_MISC
https://jvn.jp/en/jp/JVN88993473/index.html
x_refsource_MISC

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.