CVE-2021-20853

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CVSS 3.1

6.8 medium

EPSS

<1%p36

Published

Dec 1, 2021 (Dec 1, 2021)

Modified

Jun 17, 2026

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.

Vendors: elecom
Products: wrh-733gbk firmware, wrh-733gwh firmware
Weakness: CWE-78
Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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