CVE-2021-20853

Published: Dec 1, 2021Modified: Nov 21, 2024

6.8

Vector

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

Exploitability: 0.9 / Impact: 5.9

Source: NVD

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.

Affected (2)

Products: Elecom: Wrh 733gbk Firmware, Wrh 733gwh Firmware

Elecom

2 products

Wrh 733gbk Firmware

Wrh 733gwh Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrh 733gbk Firmware	Up to 1.02.9

Running on/with	Platform Versions
Elecom Wrh 733gbk	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrh 733gwh Firmware	Up to 1.02.9

Running on/with	Platform Versions
Elecom Wrh 733gwh	All versions

Related CWEs

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (4)

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

Source: vultures@jpcert.or.jp

Third Party Advisory

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

Source: vultures@jpcert.or.jp

Vendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.