CVE-2021-20853 - CVE House
Back to Database
Status published Medium CVE-2021-20853

ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-20853

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

ELECOM CO.,LTD.

View all reports →

Affected Software

ELECOM LAN routers
Vulnerable Versions:
WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior

Timeline

Official Publish: December 1st, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.