CVE-2021-37384

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

RCE (Remote Code Execution) vulnerability was found in some Furukawa ONU models, this vulnerability allows remote unauthenticated users to send arbitrary commands to the device via web interface.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2021-07-21 CVE Reserved
2023-07-17 CVE Published
2024-08-04 CVE Updated
2025-02-06 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-94: Improper Control of Generation of Code ('Code Injection')

CAPEC

References (4)

URL	Tag	Source
https://cwe.mitre.org/data/definitions/94.html	Not Applicable
https://gist.githubusercontent.com/LuigiPolidorio/9fe61cf2edee63152161ffc52c39f6cd/raw/529cf49103e0fdf4eeb970fa1f62fa508ebe7c3c/reference.txt	Third Party Advisory
https://owasp.org/www-community/attacks/Code_Injection	Not Applicable
https://www.softwall.com.br/cves/publicacao-rce-html-injection-furukawa

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Furukawa Search vendor "Furukawa"	423-41w\/ac Firmware Search vendor "Furukawa" for product "423-41w\/ac Firmware"	< 1.2.0 Search vendor "Furukawa" for product "423-41w\/ac Firmware" and version " < 1.2.0"	-	Affected	in	Furukawa Search vendor "Furukawa"	423-41w\/ac Search vendor "Furukawa" for product "423-41w\/ac"	-	-	Safe
Furukawa Search vendor "Furukawa"	Ld421-21w Firmware Search vendor "Furukawa" for product "Ld421-21w Firmware"	< 1.5.0 Search vendor "Furukawa" for product "Ld421-21w Firmware" and version " < 1.5.0"	-	Affected	in	Furukawa Search vendor "Furukawa"	Ld421-21w Search vendor "Furukawa" for product "Ld421-21w"	-	-	Safe
Furukawa Search vendor "Furukawa"	Ld420-10r Firmware Search vendor "Furukawa" for product "Ld420-10r Firmware"	< 1.4.0 Search vendor "Furukawa" for product "Ld420-10r Firmware" and version " < 1.4.0"	-	Affected	in	Furukawa Search vendor "Furukawa"	Ld420-10r Search vendor "Furukawa" for product "Ld420-10r"	-	-	Safe
Furukawa Search vendor "Furukawa"	Ld421-21wv Firmware Search vendor "Furukawa" for product "Ld421-21wv Firmware"	< 1.5.0 Search vendor "Furukawa" for product "Ld421-21wv Firmware" and version " < 1.5.0"	-	Affected	in	Furukawa Search vendor "Furukawa"	Ld421-21wv Search vendor "Furukawa" for product "Ld421-21wv"	-	-	Safe