CVE-2022-21173 - Hidden functionality vulnerability in ELECOM LAN routers (WRH-300BK3 firmware v1.05 and earlier, WRH-300WH3 firmware v1.05 and earlier, WRH-300BK3-S firmware v1.05 and earlier, WRH-300DR3-S firmware v1.05 and earlier, WRH-300LB3-S firmware v1.05 and earlier, WRH-300PN3-S firmware v1.05 and earlier, WRH-300WH3-S firmware v1.05 and earlier, and WRH-300YG3-S firmware v1.05 and earlier) allows an attacker on the adjacent network to execute an arbitrary OS command via unspecified vectors

Back Back to CVE browser

HIGH

Hidden functionality vulnerability in ELECOM LAN routers (WRH-300BK3 firmware v1.05 and earlier, WRH-300WH3 firmware v1.05 and earlier, WRH-300BK3-S firmware v1.05 and earlier, WRH-300DR3-S firmware v1.05 and earlier, WRH-300LB3-S firmware v1.05 and earlier, WRH-300PN3-S firmware v1.05 and earlier, WRH-300WH3-S firmware v1.05 and earlier, and WRH-300YG3-S firmware v1.05 and earlier) allows an attacker on the adjacent network to execute an arbitrary OS command via unspecified vectors

Published Feb 8, 2022

8.8

HIGH

CVSS 3.1

EPSS 0.45%

Description

Hidden functionality vulnerability in ELECOM LAN routers (WRH-300BK3 firmware v1.05 and earlier, WRH-300WH3 firmware v1.05 and earlier, WRH-300BK3-S firmware v1.05 and earlier, WRH-300DR3-S firmware v1.05 and earlier, WRH-300LB3-S firmware v1.05 and earlier, WRH-300PN3-S firmware v1.05 and earlier, WRH-300WH3-S firmware v1.05 and earlier, and WRH-300YG3-S firmware v1.05 and earlier) allows an attacker on the adjacent network to execute an arbitrary OS command via unspecified vectors.

Affected products

Vendor Elecom Co.,ltd. Product ELECOM LAN routers Default
n/a
- Version
  WRH-300BK3 firmware v1.05 and earlier, WRH-300WH3 firmware v1.05 and earlier, WRH-300BK3-S firmware v1.05 and earlier, WRH-300DR3-S firmware v1.05 and earlier, WRH-300LB3-S firmware v1.05 and earlier, WRH-300PN3-S firmware v1.05 and earlier, WRH-300WH3-S firmware v1.05 and earlier, and WRH-300YG3-S firmware v1.05 and earlier
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Elecom Co.,ltd.

ELECOM LAN routers

n/a

Version	Status	Constraints
WRH-300BK3 firmware v1.05 and earlier, WRH-300WH3 firmware v1.05 and earlier, WRH-300BK3-S firmware v1.05 and earlier, WRH-300DR3-S firmware v1.05 and earlier, WRH-300LB3-S firmware v1.05 and earlier, WRH-300PN3-S firmware v1.05 and earlier, WRH-300WH3-S firmware v1.05 and earlier, and WRH-300YG3-S firmware v1.05 and earlier	affected	-

Remediation

No remediation recorded yet.

Weaknesses (0)

No CWE recorded.

References (2)

https://jvn.jp/en/jp/JVN17482543/index.html
x_refsource_MISCThird Party Advisory
https://www.elecom.co.jp/news/security/20220208-02/
x_refsource_MISCVendor Advisory

Link	Providers	Tags
https://jvn.jp/en/jp/JVN17482543/index.html		x_refsource_MISCThird Party Advisory
https://www.elecom.co.jp/news/security/20220208-02/		x_refsource_MISCVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner jpcert

Published Feb 8, 2022

Updated Aug 3, 2024

Reserved Feb 1, 2022

Link CVE-2022-21173

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2022-21173

Red Hat

Severity n/a

Public date n/a

Links CVE-2022-21173