CVE-2021-20853

medium

Description

ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a network-adjacent attacker with an administrator privilege to execute arbitrary OS commands via unspecified vectors.

References

https://www.elecom.co.jp/news/security/20211130-01/

https://jvn.jp/en/jp/JVN88993473/index.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-8262

Details

Source: Mitre, NVD

Published: 2021-12-01

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5.2

Vector: CVSS2#AV:A/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.8

Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H